Finding the Fourth Proportional to 252,149.08, 378,251.30 and 125,821.12
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Solution
The fourth proportional to 252,149.08, 378,251.30 and 125,821.12 is: 188,745.49
Step by Step Solution
- Step 1: Write the proportion equation
252,149.08 : 378,251.30 = 125,821.12 : x - Step 2: Convert to fraction form
252,149.08/378,251.30 = 125,821.12/x - Step 3: Cross multiply
252,149.08x = 378,251.30 × 125,821.12 - Step 4: Simplify right side
252,149.08x = 47,592,002,207.46 - Step 5: Solve for x
x = 47,592,002,207.46/252,149.08 - Step 6: Final answer
x = 188,745.49
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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.