Finding the Fourth Proportional to 207,540.70, 311,311.05 and 189,169.90
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Solution
The fourth proportional to 207,540.70, 311,311.05 and 189,169.90 is: 283,754.85
Step by Step Solution
- Step 1: Write the proportion equation
207,540.70 : 311,311.05 = 189,169.90 : x - Step 2: Convert to fraction form
207,540.70/311,311.05 = 189,169.90/x - Step 3: Cross multiply
207,540.70x = 311,311.05 × 189,169.90 - Step 4: Simplify right side
207,540.70x = 58,890,680,197.40 - Step 5: Solve for x
x = 58,890,680,197.40/207,540.70 - Step 6: Final answer
x = 283,754.85
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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.