Finding the Fourth Proportional to 415,288.14, 573,102.99 and 245,520.78
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Solution
The fourth proportional to 415,288.14, 573,102.99 and 245,520.78 is: 338,821.84
Step by Step Solution
- Step 1: Write the proportion equation
415,288.14 : 573,102.99 = 245,520.78 : x - Step 2: Convert to fraction form
415,288.14/573,102.99 = 245,520.78/x - Step 3: Cross multiply
415,288.14x = 573,102.99 × 245,520.78 - Step 4: Simplify right side
415,288.14x = 140,708,693,125.13 - Step 5: Solve for x
x = 140,708,693,125.13/415,288.14 - Step 6: Final answer
x = 338,821.84
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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.