Finding the Fourth Proportional to 418,635.54, 577,715.49 and 227,656.98
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Solution
The fourth proportional to 418,635.54, 577,715.49 and 227,656.98 is: 314,165.79
Step by Step Solution
- Step 1: Write the proportion equation
418,635.54 : 577,715.49 = 227,656.98 : x - Step 2: Convert to fraction form
418,635.54/577,715.49 = 227,656.98/x - Step 3: Cross multiply
418,635.54x = 577,715.49 × 227,656.98 - Step 4: Simplify right side
418,635.54x = 131,520,963,752.62 - Step 5: Solve for x
x = 131,520,963,752.62/418,635.54 - Step 6: Final answer
x = 314,165.79
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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.