Finding the Fourth Proportional to 204,964.10, 307,446.15 and 125,821.70
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Solution
The fourth proportional to 204,964.10, 307,446.15 and 125,821.70 is: 188,732.55
Step by Step Solution
- Step 1: Write the proportion equation
204,964.10 : 307,446.15 = 125,821.70 : x - Step 2: Convert to fraction form
204,964.10/307,446.15 = 125,821.70/x - Step 3: Cross multiply
204,964.10x = 307,446.15 × 125,821.70 - Step 4: Simplify right side
204,964.10x = 38,683,397,251.46 - Step 5: Solve for x
x = 38,683,397,251.46/204,964.10 - Step 6: Final answer
x = 188,732.55
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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.