Finding the Fourth Proportional to 336,213.05, 504,398.42 and 133,821.42
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Solution
The fourth proportional to 336,213.05, 504,398.42 and 133,821.42 is: 200,763.50
Step by Step Solution
- Step 1: Write the proportion equation
336,213.05 : 504,398.42 = 133,821.42 : x - Step 2: Convert to fraction form
336,213.05/504,398.42 = 133,821.42/x - Step 3: Cross multiply
336,213.05x = 504,398.42 × 133,821.42 - Step 4: Simplify right side
336,213.05x = 67,499,310,375.01 - Step 5: Solve for x
x = 67,499,310,375.01/336,213.05 - Step 6: Final answer
x = 200,763.50
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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.