Finding the Fourth Proportional to 115,821.92, 173,734.72 and 45,700.62
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Solution
The fourth proportional to 115,821.92, 173,734.72 and 45,700.62 is: 68,551.66
Step by Step Solution
- Step 1: Write the proportion equation
115,821.92 : 173,734.72 = 45,700.62 : x - Step 2: Convert to fraction form
115,821.92/173,734.72 = 45,700.62/x - Step 3: Cross multiply
115,821.92x = 173,734.72 × 45,700.62 - Step 4: Simplify right side
115,821.92x = 7,939,784,419.53 - Step 5: Solve for x
x = 7,939,784,419.53/115,821.92 - Step 6: Final answer
x = 68,551.66
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1.5x scale
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.