Finding the Fourth Proportional to 129,785.09, 194,524.99 and 58,624.66
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Solution
The fourth proportional to 129,785.09, 194,524.99 and 58,624.66 is: 87,868.03
Step by Step Solution
- Step 1: Write the proportion equation
129,785.09 : 194,524.99 = 58,624.66 : x - Step 2: Convert to fraction form
129,785.09/194,524.99 = 58,624.66/x - Step 3: Cross multiply
129,785.09x = 194,524.99 × 58,624.66 - Step 4: Simplify right side
129,785.09x = 11,403,960,767.38 - Step 5: Solve for x
x = 11,403,960,767.38/129,785.09 - Step 6: Final answer
x = 87,868.03
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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.