Finding the Fourth Proportional to 552,299.62, 762,177.90 and 307,287.92
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Solution
The fourth proportional to 552,299.62, 762,177.90 and 307,287.92 is: 424,059.79
Step by Step Solution
- Step 1: Write the proportion equation
552,299.62 : 762,177.90 = 307,287.92 : x - Step 2: Convert to fraction form
552,299.62/762,177.90 = 307,287.92/x - Step 3: Cross multiply
552,299.62x = 762,177.90 × 307,287.92 - Step 4: Simplify right side
552,299.62x = 234,208,061,560.97 - Step 5: Solve for x
x = 234,208,061,560.97/552,299.62 - Step 6: Final answer
x = 424,059.79
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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.