Finding the Fourth Proportional to 113,891.26, 170,836.62 and 30,785.26
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Solution
The fourth proportional to 113,891.26, 170,836.62 and 30,785.26 is: 46,177.82
Step by Step Solution
- Step 1: Write the proportion equation
113,891.26 : 170,836.62 = 30,785.26 : x - Step 2: Convert to fraction form
113,891.26/170,836.62 = 30,785.26/x - Step 3: Cross multiply
113,891.26x = 170,836.62 × 30,785.26 - Step 4: Simplify right side
113,891.26x = 5,259,249,764.22 - Step 5: Solve for x
x = 5,259,249,764.22/113,891.26 - Step 6: Final answer
x = 46,177.82
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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.