Finding the Fourth Proportional to 418,737.10, 577,864.56 and 227,751.80
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Solution
The fourth proportional to 418,737.10, 577,864.56 and 227,751.80 is: 314,301.49
Step by Step Solution
- Step 1: Write the proportion equation
418,737.10 : 577,864.56 = 227,751.80 : x - Step 2: Convert to fraction form
418,737.10/577,864.56 = 227,751.80/x - Step 3: Cross multiply
418,737.10x = 577,864.56 × 227,751.80 - Step 4: Simplify right side
418,737.10x = 131,609,693,696.21 - Step 5: Solve for x
x = 131,609,693,696.21/418,737.10 - Step 6: Final answer
x = 314,301.49
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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.