Finding the Fourth Proportional to 252,276.12, 378,525.96 and 133,918.92
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Solution
The fourth proportional to 252,276.12, 378,525.96 and 133,918.92 is: 200,937.72
Step by Step Solution
- Step 1: Write the proportion equation
252,276.12 : 378,525.96 = 133,918.92 : x - Step 2: Convert to fraction form
252,276.12/378,525.96 = 133,918.92/x - Step 3: Cross multiply
252,276.12x = 378,525.96 × 133,918.92 - Step 4: Simplify right side
252,276.12x = 50,691,787,755.16 - Step 5: Solve for x
x = 50,691,787,755.16/252,276.12 - Step 6: Final answer
x = 200,937.72
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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.