Finding the Fourth Proportional to 252,190.84, 378,244.68 and 102,425.08
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Solution
The fourth proportional to 252,190.84, 378,244.68 and 102,425.08 is: 153,620.73
Step by Step Solution
- Step 1: Write the proportion equation
252,190.84 : 378,244.68 = 102,425.08 : x - Step 2: Convert to fraction form
252,190.84/378,244.68 = 102,425.08/x - Step 3: Cross multiply
252,190.84x = 378,244.68 × 102,425.08 - Step 4: Simplify right side
252,190.84x = 38,741,741,608.57 - Step 5: Solve for x
x = 38,741,741,608.57/252,190.84 - Step 6: Final answer
x = 153,620.73
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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.