Finding the Fourth Proportional to 418,140.93, 577,035.17 and 227,154.48
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Solution
The fourth proportional to 418,140.93, 577,035.17 and 227,154.48 is: 313,473.56
Step by Step Solution
- Step 1: Write the proportion equation
418,140.93 : 577,035.17 = 227,154.48 : x - Step 2: Convert to fraction form
418,140.93/577,035.17 = 227,154.48/x - Step 3: Cross multiply
418,140.93x = 577,035.17 × 227,154.48 - Step 4: Simplify right side
418,140.93x = 131,076,123,983.06 - Step 5: Solve for x
x = 131,076,123,983.06/418,140.93 - Step 6: Final answer
x = 313,473.56
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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.