"The 4:9 ratio is also found between the width of the columns and the distance between their centers, and the height of the facade to its width." (Recent tv program on the Parthenon)

[joseph berg]

http://www.pbs.org/wgbh/nova/transcripts/3502_partheno.html

"The 4:9 ratio is also found between the width of the columns and the
distance between their centers, and the height of the facade to its width."