Finding the Fourth Proportional to 281,549.88, 422,387.10 and 155,125.02
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Solution
The fourth proportional to 281,549.88, 422,387.10 and 155,125.02 is: 232,721.84
Step by Step Solution
- Step 1: Write the proportion equation
281,549.88 : 422,387.10 = 155,125.02 : x - Step 2: Convert to fraction form
281,549.88/422,387.10 = 155,125.02/x - Step 3: Cross multiply
281,549.88x = 422,387.10 × 155,125.02 - Step 4: Simplify right side
281,549.88x = 65,522,807,335.24 - Step 5: Solve for x
x = 65,522,807,335.24/281,549.88 - Step 6: Final answer
x = 232,721.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.