Finding the Fourth Proportional to 187,841.15, 281,854.19 and 87,984.08
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Solution
The fourth proportional to 187,841.15, 281,854.19 and 87,984.08 is: 132,019.43
Step by Step Solution
- Step 1: Write the proportion equation
187,841.15 : 281,854.19 = 87,984.08 : x - Step 2: Convert to fraction form
187,841.15/281,854.19 = 87,984.08/x - Step 3: Cross multiply
187,841.15x = 281,854.19 × 87,984.08 - Step 4: Simplify right side
187,841.15x = 24,798,681,601.30 - Step 5: Solve for x
x = 24,798,681,601.30/187,841.15 - Step 6: Final answer
x = 132,019.43
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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.