Finding the Fourth Proportional to 115,161.28, 172,765.14 and 48,601.48
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Solution
The fourth proportional to 115,161.28, 172,765.14 and 48,601.48 is: 72,912.02
Step by Step Solution
- Step 1: Write the proportion equation
115,161.28 : 172,765.14 = 48,601.48 : x - Step 2: Convert to fraction form
115,161.28/172,765.14 = 48,601.48/x - Step 3: Cross multiply
115,161.28x = 172,765.14 × 48,601.48 - Step 4: Simplify right side
115,161.28x = 8,396,641,496.41 - Step 5: Solve for x
x = 8,396,641,496.41/115,161.28 - Step 6: Final answer
x = 72,912.02
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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.