Finding the Fourth Proportional to 252,202.04, 378,358.42 and 74,722.92
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Solution
The fourth proportional to 252,202.04, 378,358.42 and 74,722.92 is: 112,100.78
Step by Step Solution
- Step 1: Write the proportion equation
252,202.04 : 378,358.42 = 74,722.92 : x - Step 2: Convert to fraction form
252,202.04/378,358.42 = 74,722.92/x - Step 3: Cross multiply
252,202.04x = 378,358.42 × 74,722.92 - Step 4: Simplify right side
252,202.04x = 28,272,045,948.99 - Step 5: Solve for x
x = 28,272,045,948.99/252,202.04 - Step 6: Final answer
x = 112,100.78
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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.