Finding the Fourth Proportional to 502,355.97, 693,248.36 and 272,911.41
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Solution
The fourth proportional to 502,355.97, 693,248.36 and 272,911.41 is: 376,616.18
Step by Step Solution
- Step 1: Write the proportion equation
502,355.97 : 693,248.36 = 272,911.41 : x - Step 2: Convert to fraction form
502,355.97/693,248.36 = 272,911.41/x - Step 3: Cross multiply
502,355.97x = 693,248.36 × 272,911.41 - Step 4: Simplify right side
502,355.97x = 189,195,386,043.23 - Step 5: Solve for x
x = 189,195,386,043.23/502,355.97 - Step 6: Final answer
x = 376,616.18
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1.5x scale
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.