Finding the Fourth Proportional to 185,523.66, 278,129.66 and 129,197.48
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Solution
The fourth proportional to 185,523.66, 278,129.66 and 129,197.48 is: 193,687.69
Step by Step Solution
- Step 1: Write the proportion equation
185,523.66 : 278,129.66 = 129,197.48 : x - Step 2: Convert to fraction form
185,523.66/278,129.66 = 129,197.48/x - Step 3: Cross multiply
185,523.66x = 278,129.66 × 129,197.48 - Step 4: Simplify right side
185,523.66x = 35,933,649,148.62 - Step 5: Solve for x
x = 35,933,649,148.62/185,523.66 - Step 6: Final answer
x = 193,687.69
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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.