Finding the Fourth Proportional to 199,778.26, 299,711.16 and 75,119.26
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Solution
The fourth proportional to 199,778.26, 299,711.16 and 75,119.26 is: 112,695.35
Step by Step Solution
- Step 1: Write the proportion equation
199,778.26 : 299,711.16 = 75,119.26 : x - Step 2: Convert to fraction form
199,778.26/299,711.16 = 75,119.26/x - Step 3: Cross multiply
199,778.26x = 299,711.16 × 75,119.26 - Step 4: Simplify right side
199,778.26x = 22,514,080,552.94 - Step 5: Solve for x
x = 22,514,080,552.94/199,778.26 - Step 6: Final answer
x = 112,695.35
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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.