Finding the Fourth Proportional to 113,635.97, 170,478.56 and 43,515.28
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Solution
The fourth proportional to 113,635.97, 170,478.56 and 43,515.28 is: 65,282.35
Step by Step Solution
- Step 1: Write the proportion equation
113,635.97 : 170,478.56 = 43,515.28 : x - Step 2: Convert to fraction form
113,635.97/170,478.56 = 43,515.28/x - Step 3: Cross multiply
113,635.97x = 170,478.56 × 43,515.28 - Step 4: Simplify right side
113,635.97x = 7,418,422,594.28 - Step 5: Solve for x
x = 7,418,422,594.28/113,635.97 - Step 6: Final answer
x = 65,282.35
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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.