Finding the Fourth Proportional to 481,115.97, 721,676.97 and 126,126.81
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Solution
The fourth proportional to 481,115.97, 721,676.97 and 126,126.81 is: 189,191.01
Step by Step Solution
- Step 1: Write the proportion equation
481,115.97 : 721,676.97 = 126,126.81 : x - Step 2: Convert to fraction form
481,115.97/721,676.97 = 126,126.81/x - Step 3: Cross multiply
481,115.97x = 721,676.97 × 126,126.81 - Step 4: Simplify right side
481,115.97x = 91,022,814,076.57 - Step 5: Solve for x
x = 91,022,814,076.57/481,115.97 - Step 6: Final answer
x = 189,191.01
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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.