Finding the Fourth Proportional to 121,380.24, 182,121.36 and 58,234.32
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Solution
The fourth proportional to 121,380.24, 182,121.36 and 58,234.32 is: 87,375.95
Step by Step Solution
- Step 1: Write the proportion equation
121,380.24 : 182,121.36 = 58,234.32 : x - Step 2: Convert to fraction form
121,380.24/182,121.36 = 58,234.32/x - Step 3: Cross multiply
121,380.24x = 182,121.36 × 58,234.32 - Step 4: Simplify right side
121,380.24x = 10,605,713,557.08 - Step 5: Solve for x
x = 10,605,713,557.08/121,380.24 - Step 6: Final answer
x = 87,375.95
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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.