Finding the Fourth Proportional to 415,731.32, 573,710.69 and 224,744.75
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Solution
The fourth proportional to 415,731.32, 573,710.69 and 224,744.75 is: 310,148.55
Step by Step Solution
- Step 1: Write the proportion equation
415,731.32 : 573,710.69 = 224,744.75 : x - Step 2: Convert to fraction form
415,731.32/573,710.69 = 224,744.75/x - Step 3: Cross multiply
415,731.32x = 573,710.69 × 224,744.75 - Step 4: Simplify right side
415,731.32x = 128,938,465,596.38 - Step 5: Solve for x
x = 128,938,465,596.38/415,731.32 - Step 6: Final answer
x = 310,148.55
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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.