Finding the Fourth Proportional to 225,761.20, 338,184.84 and 107,546.80
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Solution
The fourth proportional to 225,761.20, 338,184.84 and 107,546.80 is: 161,102.52
Step by Step Solution
- Step 1: Write the proportion equation
225,761.20 : 338,184.84 = 107,546.80 : x - Step 2: Convert to fraction form
225,761.20/338,184.84 = 107,546.80/x - Step 3: Cross multiply
225,761.20x = 338,184.84 × 107,546.80 - Step 4: Simplify right side
225,761.20x = 36,370,697,350.51 - Step 5: Solve for x
x = 36,370,697,350.51/225,761.20 - Step 6: Final answer
x = 161,102.52
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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.