Finding the Fourth Proportional to 493,565.97, 681,136.80 and 302,772.09
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Solution
The fourth proportional to 493,565.97, 681,136.80 and 302,772.09 is: 417,835.15
Step by Step Solution
- Step 1: Write the proportion equation
493,565.97 : 681,136.80 = 302,772.09 : x - Step 2: Convert to fraction form
493,565.97/681,136.80 = 302,772.09/x - Step 3: Cross multiply
493,565.97x = 681,136.80 × 302,772.09 - Step 4: Simplify right side
493,565.97x = 206,229,212,511.91 - Step 5: Solve for x
x = 206,229,212,511.91/493,565.97 - Step 6: Final answer
x = 417,835.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.