Finding the Fourth Proportional to 375,432.36, 517,966.82 and 284,693.80
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Solution
The fourth proportional to 375,432.36, 517,966.82 and 284,693.80 is: 392,778.99
Step by Step Solution
- Step 1: Write the proportion equation
375,432.36 : 517,966.82 = 284,693.80 : x - Step 2: Convert to fraction form
375,432.36/517,966.82 = 284,693.80/x - Step 3: Cross multiply
375,432.36x = 517,966.82 × 284,693.80 - Step 4: Simplify right side
375,432.36x = 147,461,942,259.72 - Step 5: Solve for x
x = 147,461,942,259.72/375,432.36 - Step 6: Final answer
x = 392,778.99
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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.