Finding the Fourth Proportional to 372,167.28, 513,372.18 and 234,126.68
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Solution
The fourth proportional to 372,167.28, 513,372.18 and 234,126.68 is: 322,957.26
Step by Step Solution
- Step 1: Write the proportion equation
372,167.28 : 513,372.18 = 234,126.68 : x - Step 2: Convert to fraction form
372,167.28/513,372.18 = 234,126.68/x - Step 3: Cross multiply
372,167.28x = 513,372.18 × 234,126.68 - Step 4: Simplify right side
372,167.28x = 120,194,124,107.76 - Step 5: Solve for x
x = 120,194,124,107.76/372,167.28 - Step 6: Final answer
x = 322,957.26
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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.