Finding the Fourth Proportional to 418,088.71, 576,974.91 and 227,115.01
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Solution
The fourth proportional to 418,088.71, 576,974.91 and 227,115.01 is: 313,425.50
Step by Step Solution
- Step 1: Write the proportion equation
418,088.71 : 576,974.91 = 227,115.01 : x - Step 2: Convert to fraction form
418,088.71/576,974.91 = 227,115.01/x - Step 3: Cross multiply
418,088.71x = 576,974.91 × 227,115.01 - Step 4: Simplify right side
418,088.71x = 131,039,662,454.40 - Step 5: Solve for x
x = 131,039,662,454.40/418,088.71 - Step 6: Final answer
x = 313,425.50
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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.