Finding the Fourth Proportional to 449,626.22, 674,484.17 and 129,785.84
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Solution
The fourth proportional to 449,626.22, 674,484.17 and 129,785.84 is: 194,691.71
Step by Step Solution
- Step 1: Write the proportion equation
449,626.22 : 674,484.17 = 129,785.84 : x - Step 2: Convert to fraction form
449,626.22/674,484.17 = 129,785.84/x - Step 3: Cross multiply
449,626.22x = 674,484.17 × 129,785.84 - Step 4: Simplify right side
449,626.22x = 87,538,496,872.09 - Step 5: Solve for x
x = 87,538,496,872.09/449,626.22 - Step 6: Final answer
x = 194,691.71
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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.