Finding the Fourth Proportional to 418,337.14, 577,305.19 and 227,350.48
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Solution
The fourth proportional to 418,337.14, 577,305.19 and 227,350.48 is: 313,743.63
Step by Step Solution
- Step 1: Write the proportion equation
418,337.14 : 577,305.19 = 227,350.48 : x - Step 2: Convert to fraction form
418,337.14/577,305.19 = 227,350.48/x - Step 3: Cross multiply
418,337.14x = 577,305.19 × 227,350.48 - Step 4: Simplify right side
418,337.14x = 131,250,612,052.99 - Step 5: Solve for x
x = 131,250,612,052.99/418,337.14 - Step 6: Final answer
x = 313,743.63
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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.