Finding the Fourth Proportional to 187,943.40, 281,902.14 and 88,125.75
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Solution
The fourth proportional to 187,943.40, 281,902.14 and 88,125.75 is: 132,182.55
Step by Step Solution
- Step 1: Write the proportion equation
187,943.40 : 281,902.14 = 88,125.75 : x - Step 2: Convert to fraction form
187,943.40/281,902.14 = 88,125.75/x - Step 3: Cross multiply
187,943.40x = 281,902.14 × 88,125.75 - Step 4: Simplify right side
187,943.40x = 24,842,837,514.11 - Step 5: Solve for x
x = 24,842,837,514.11/187,943.40 - Step 6: Final answer
x = 132,182.55
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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.