Finding the Fourth Proportional to 120,916.97, 181,375.21 and 32,170.46
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Solution
The fourth proportional to 120,916.97, 181,375.21 and 32,170.46 is: 48,255.63
Step by Step Solution
- Step 1: Write the proportion equation
120,916.97 : 181,375.21 = 32,170.46 : x - Step 2: Convert to fraction form
120,916.97/181,375.21 = 32,170.46/x - Step 3: Cross multiply
120,916.97x = 181,375.21 × 32,170.46 - Step 4: Simplify right side
120,916.97x = 5,834,923,777.44 - Step 5: Solve for x
x = 5,834,923,777.44/120,916.97 - Step 6: Final answer
x = 48,255.63
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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.