Finding the Fourth Proportional to 173,141.20, 259,711.80 and 54,821.80
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Solution
The fourth proportional to 173,141.20, 259,711.80 and 54,821.80 is: 82,232.70
Step by Step Solution
- Step 1: Write the proportion equation
173,141.20 : 259,711.80 = 54,821.80 : x - Step 2: Convert to fraction form
173,141.20/259,711.80 = 54,821.80/x - Step 3: Cross multiply
173,141.20x = 259,711.80 × 54,821.80 - Step 4: Simplify right side
173,141.20x = 14,237,868,357.24 - Step 5: Solve for x
x = 14,237,868,357.24/173,141.20 - Step 6: Final answer
x = 82,232.70
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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.