Finding the Fourth Proportional to 331,737.24, 497,311.08 and 129,286.44
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Solution
The fourth proportional to 331,737.24, 497,311.08 and 129,286.44 is: 193,814.78
Step by Step Solution
- Step 1: Write the proportion equation
331,737.24 : 497,311.08 = 129,286.44 : x - Step 2: Convert to fraction form
331,737.24/497,311.08 = 129,286.44/x - Step 3: Cross multiply
331,737.24x = 497,311.08 × 129,286.44 - Step 4: Simplify right side
331,737.24x = 64,295,579,105.76 - Step 5: Solve for x
x = 64,295,579,105.76/331,737.24 - Step 6: Final answer
x = 193,814.78
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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.