Finding the Fourth Proportional to 205,613.28, 283,730.70 and 125,029.68
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Solution
The fourth proportional to 205,613.28, 283,730.70 and 125,029.68 is: 172,531.46
Step by Step Solution
- Step 1: Write the proportion equation
205,613.28 : 283,730.70 = 125,029.68 : x - Step 2: Convert to fraction form
205,613.28/283,730.70 = 125,029.68/x - Step 3: Cross multiply
205,613.28x = 283,730.70 × 125,029.68 - Step 4: Simplify right side
205,613.28x = 35,474,758,627.18 - Step 5: Solve for x
x = 35,474,758,627.18/205,613.28 - Step 6: Final answer
x = 172,531.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.