Finding the Fourth Proportional to 502,905.08, 693,966.92 and 296,140.62
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Solution
The fourth proportional to 502,905.08, 693,966.92 and 296,140.62 is: 408,649.27
Step by Step Solution
- Step 1: Write the proportion equation
502,905.08 : 693,966.92 = 296,140.62 : x - Step 2: Convert to fraction form
502,905.08/693,966.92 = 296,140.62/x - Step 3: Cross multiply
502,905.08x = 693,966.92 × 296,140.62 - Step 4: Simplify right side
502,905.08x = 205,511,793,948.29 - Step 5: Solve for x
x = 205,511,793,948.29/502,905.08 - Step 6: Final answer
x = 408,649.27
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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.