Finding the Fourth Proportional to 129,744.09, 194,624.37 and 54,850.28
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Solution
The fourth proportional to 129,744.09, 194,624.37 and 54,850.28 is: 82,278.89
Step by Step Solution
- Step 1: Write the proportion equation
129,744.09 : 194,624.37 = 54,850.28 : x - Step 2: Convert to fraction form
129,744.09/194,624.37 = 54,850.28/x - Step 3: Cross multiply
129,744.09x = 194,624.37 × 54,850.28 - Step 4: Simplify right side
129,744.09x = 10,675,200,216.20 - Step 5: Solve for x
x = 10,675,200,216.20/129,744.09 - Step 6: Final answer
x = 82,278.89
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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.