Finding the Fourth Proportional to 129,190.32, 193,874.04 and 50,304.96
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Solution
The fourth proportional to 129,190.32, 193,874.04 and 50,304.96 is: 75,491.92
Step by Step Solution
- Step 1: Write the proportion equation
129,190.32 : 193,874.04 = 50,304.96 : x - Step 2: Convert to fraction form
129,190.32/193,874.04 = 50,304.96/x - Step 3: Cross multiply
129,190.32x = 193,874.04 × 50,304.96 - Step 4: Simplify right side
129,190.32x = 9,752,825,827.24 - Step 5: Solve for x
x = 9,752,825,827.24/129,190.32 - Step 6: Final answer
x = 75,491.92
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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.