Finding the Fourth Proportional to 418,251.74, 577,190.91 and 227,265.14
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Solution
The fourth proportional to 418,251.74, 577,190.91 and 227,265.14 is: 313,627.81
Step by Step Solution
- Step 1: Write the proportion equation
418,251.74 : 577,190.91 = 227,265.14 : x - Step 2: Convert to fraction form
418,251.74/577,190.91 = 227,265.14/x - Step 3: Cross multiply
418,251.74x = 577,190.91 × 227,265.14 - Step 4: Simplify right side
418,251.74x = 131,175,375,263.10 - Step 5: Solve for x
x = 131,175,375,263.10/418,251.74 - Step 6: Final answer
x = 313,627.81
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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.