Finding the Fourth Proportional to 187,342.92, 281,106.64 and 87,488.62
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Solution
The fourth proportional to 187,342.92, 281,106.64 and 87,488.62 is: 131,276.02
Step by Step Solution
- Step 1: Write the proportion equation
187,342.92 : 281,106.64 = 87,488.62 : x - Step 2: Convert to fraction form
187,342.92/281,106.64 = 87,488.62/x - Step 3: Cross multiply
187,342.92x = 281,106.64 × 87,488.62 - Step 4: Simplify right side
187,342.92x = 24,593,632,006.44 - Step 5: Solve for x
x = 24,593,632,006.44/187,342.92 - Step 6: Final answer
x = 131,276.02
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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.