Finding the Fourth Proportional to 223,414.20, 335,121.30 and 134,767.80
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Solution
The fourth proportional to 223,414.20, 335,121.30 and 134,767.80 is: 202,151.70
Step by Step Solution
- Step 1: Write the proportion equation
223,414.20 : 335,121.30 = 134,767.80 : x - Step 2: Convert to fraction form
223,414.20/335,121.30 = 134,767.80/x - Step 3: Cross multiply
223,414.20x = 335,121.30 × 134,767.80 - Step 4: Simplify right side
223,414.20x = 45,163,560,334.14 - Step 5: Solve for x
x = 45,163,560,334.14/223,414.20 - Step 6: Final answer
x = 202,151.70
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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.