Finding the Fourth Proportional to 280,635.68, 418,906.36 and 245,205.92
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Solution
The fourth proportional to 280,635.68, 418,906.36 and 245,205.92 is: 366,020.17
Step by Step Solution
- Step 1: Write the proportion equation
280,635.68 : 418,906.36 = 245,205.92 : x - Step 2: Convert to fraction form
280,635.68/418,906.36 = 245,205.92/x - Step 3: Cross multiply
280,635.68x = 418,906.36 × 245,205.92 - Step 4: Simplify right side
280,635.68x = 102,718,319,397.65 - Step 5: Solve for x
x = 102,718,319,397.65/280,635.68 - Step 6: Final answer
x = 366,020.17
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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.