Finding the Fourth Proportional to 280,209.24, 418,207.59 and 256,414.68
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Solution
The fourth proportional to 280,209.24, 418,207.59 and 256,414.68 is: 382,694.61
Step by Step Solution
- Step 1: Write the proportion equation
280,209.24 : 418,207.59 = 256,414.68 : x - Step 2: Convert to fraction form
280,209.24/418,207.59 = 256,414.68/x - Step 3: Cross multiply
280,209.24x = 418,207.59 × 256,414.68 - Step 4: Simplify right side
280,209.24x = 107,234,565,363.42 - Step 5: Solve for x
x = 107,234,565,363.42/280,209.24 - Step 6: Final answer
x = 382,694.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.