Finding the Fourth Proportional to 168,553.92, 252,282.24 and 124,163.20
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Solution
The fourth proportional to 168,553.92, 252,282.24 and 124,163.20 is: 185,840.65
Step by Step Solution
- Step 1: Write the proportion equation
168,553.92 : 252,282.24 = 124,163.20 : x - Step 2: Convert to fraction form
168,553.92/252,282.24 = 124,163.20/x - Step 3: Cross multiply
168,553.92x = 252,282.24 × 124,163.20 - Step 4: Simplify right side
168,553.92x = 31,324,170,221.57 - Step 5: Solve for x
x = 31,324,170,221.57/168,553.92 - Step 6: Final answer
x = 185,840.65
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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.