Finding the Fourth Proportional to 129,217.06, 193,649.41 and 62,524.09
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Solution
The fourth proportional to 129,217.06, 193,649.41 and 62,524.09 is: 93,700.89
Step by Step Solution
- Step 1: Write the proportion equation
129,217.06 : 193,649.41 = 62,524.09 : x - Step 2: Convert to fraction form
129,217.06/193,649.41 = 62,524.09/x - Step 3: Cross multiply
129,217.06x = 193,649.41 × 62,524.09 - Step 4: Simplify right side
129,217.06x = 12,107,753,139.29 - Step 5: Solve for x
x = 12,107,753,139.29/129,217.06 - Step 6: Final answer
x = 93,700.89
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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.