Finding the Fourth Proportional to 129,832.11, 194,728.67 and 41,074.08
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Solution
The fourth proportional to 129,832.11, 194,728.67 and 41,074.08 is: 61,604.95
Step by Step Solution
- Step 1: Write the proportion equation
129,832.11 : 194,728.67 = 41,074.08 : x - Step 2: Convert to fraction form
129,832.11/194,728.67 = 41,074.08/x - Step 3: Cross multiply
129,832.11x = 194,728.67 × 41,074.08 - Step 4: Simplify right side
129,832.11x = 7,998,300,380.37 - Step 5: Solve for x
x = 7,998,300,380.37/129,832.11 - Step 6: Final answer
x = 61,604.95
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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.