Finding the Fourth Proportional to 159,645.26, 220,342.39 and 91,708.83
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Solution
The fourth proportional to 159,645.26, 220,342.39 and 91,708.83 is: 126,576.52
Step by Step Solution
- Step 1: Write the proportion equation
159,645.26 : 220,342.39 = 91,708.83 : x - Step 2: Convert to fraction form
159,645.26/220,342.39 = 91,708.83/x - Step 3: Cross multiply
159,645.26x = 220,342.39 × 91,708.83 - Step 4: Simplify right side
159,645.26x = 20,207,342,557.03 - Step 5: Solve for x
x = 20,207,342,557.03/159,645.26 - Step 6: Final answer
x = 126,576.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.