240/(1+1.38)*1.38=139.1596
240/(1+1.38) =100.8403 //Multiplied by 1 in this case
Peter West
...and again, as his custom was, he taught them.
On 8 Mar 2014, at 9:51 am, Eliot Kimber <ekimber@xxxxxxxxxxxx> wrote:
> Maybe it's being end of a day on a Friday but my already limited math
> skills are failing me.
>
> I'm converting CALS tables into InDesign tables where I need to specify
> actual measurements. I know the width available to all the proportional
> columns and I know the CALS proportional values, e.g. "1*", "1.38*", etc.
>
> My puzzle is, how do I go from 1.38 to the correct fraction of the
> available width?
>
> For example, say that I have two proportional columns of width "1*" and
> "1.39*" and the available width is 240pt.
>
> How do I determine fraction of 240 each of these proportions get?
>
> Thanks,
>
> Eliot
>
> Eliot Kimber, Owner
> Contrext, LLC
> http://contrext.com