Finding the Fourth Proportional to 187,915.38, 281,843.06 and 54,764.49
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Solution
The fourth proportional to 187,915.38, 281,843.06 and 54,764.49 is: 82,137.99
Step by Step Solution
- Step 1: Write the proportion equation
187,915.38 : 281,843.06 = 54,764.49 : x - Step 2: Convert to fraction form
187,915.38/281,843.06 = 54,764.49/x - Step 3: Cross multiply
187,915.38x = 281,843.06 × 54,764.49 - Step 4: Simplify right side
187,915.38x = 15,434,991,440.94 - Step 5: Solve for x
x = 15,434,991,440.94/187,915.38 - Step 6: Final answer
x = 82,137.99
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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.