Finding the Fourth Proportional to 418,353.40, 577,332.17 and 227,366.80
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Solution
The fourth proportional to 418,353.40, 577,332.17 and 227,366.80 is: 313,768.62
Step by Step Solution
- Step 1: Write the proportion equation
418,353.40 : 577,332.17 = 227,366.80 : x - Step 2: Convert to fraction form
418,353.40/577,332.17 = 227,366.80/x - Step 3: Cross multiply
418,353.40x = 577,332.17 × 227,366.80 - Step 4: Simplify right side
418,353.40x = 131,266,168,029.96 - Step 5: Solve for x
x = 131,266,168,029.96/418,353.40 - Step 6: Final answer
x = 313,768.62
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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.