Finding the Fourth Proportional to 278,287.20, 417,454.08 and 88,774.68
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Solution
The fourth proportional to 278,287.20, 417,454.08 and 88,774.68 is: 133,169.45
Step by Step Solution
- Step 1: Write the proportion equation
278,287.20 : 417,454.08 = 88,774.68 : x - Step 2: Convert to fraction form
278,287.20/417,454.08 = 88,774.68/x - Step 3: Cross multiply
278,287.20x = 417,454.08 × 88,774.68 - Step 4: Simplify right side
278,287.20x = 37,059,352,366.69 - Step 5: Solve for x
x = 37,059,352,366.69/278,287.20 - Step 6: Final answer
x = 133,169.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.