Finding the Fourth Proportional to 331,378.87, 496,604.97 and 179,247.55
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Solution
The fourth proportional to 331,378.87, 496,604.97 and 179,247.55 is: 268,620.69
Step by Step Solution
- Step 1: Write the proportion equation
331,378.87 : 496,604.97 = 179,247.55 : x - Step 2: Convert to fraction form
331,378.87/496,604.97 = 179,247.55/x - Step 3: Cross multiply
331,378.87x = 496,604.97 × 179,247.55 - Step 4: Simplify right side
331,378.87x = 89,015,222,367.79 - Step 5: Solve for x
x = 89,015,222,367.79/331,378.87 - Step 6: Final answer
x = 268,620.69
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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.