Finding the Fourth Proportional to 252,631.22, 378,723.87 and 102,996.68
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Solution
The fourth proportional to 252,631.22, 378,723.87 and 102,996.68 is: 154,404.12
Step by Step Solution
- Step 1: Write the proportion equation
252,631.22 : 378,723.87 = 102,996.68 : x - Step 2: Convert to fraction form
252,631.22/378,723.87 = 102,996.68/x - Step 3: Cross multiply
252,631.22x = 378,723.87 × 102,996.68 - Step 4: Simplify right side
252,631.22x = 39,007,299,353.13 - Step 5: Solve for x
x = 39,007,299,353.13/252,631.22 - Step 6: Final answer
x = 154,404.12
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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.