Finding the Fourth Proportional to 363,141.20, 544,536.84 and 126,478.64
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Solution
The fourth proportional to 363,141.20, 544,536.84 and 126,478.64 is: 189,657.02
Step by Step Solution
- Step 1: Write the proportion equation
363,141.20 : 544,536.84 = 126,478.64 : x - Step 2: Convert to fraction form
363,141.20/544,536.84 = 126,478.64/x - Step 3: Cross multiply
363,141.20x = 544,536.84 × 126,478.64 - Step 4: Simplify right side
363,141.20x = 68,872,278,953.10 - Step 5: Solve for x
x = 68,872,278,953.10/363,141.20 - Step 6: Final answer
x = 189,657.02
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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.