Finding the Fourth Proportional to 424,463.76, 585,681.84 and 252,439.20
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Solution
The fourth proportional to 424,463.76, 585,681.84 and 252,439.20 is: 348,319.62
Step by Step Solution
- Step 1: Write the proportion equation
424,463.76 : 585,681.84 = 252,439.20 : x - Step 2: Convert to fraction form
424,463.76/585,681.84 = 252,439.20/x - Step 3: Cross multiply
424,463.76x = 585,681.84 × 252,439.20 - Step 4: Simplify right side
424,463.76x = 147,849,055,144.13 - Step 5: Solve for x
x = 147,849,055,144.13/424,463.76 - Step 6: Final answer
x = 348,319.62
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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.