Home / 281,947.57-422,880.19-82,214.29

Finding the Fourth Proportional to 281,947.57, 422,880.19 and 82,214.29

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Solution

The fourth proportional to 281,947.57, 422,880.19 and 82,214.29 is: 123,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,947.57 : 422,880.19 = 82,214.29 : x
  2. Step 2: Convert to fraction form
    281,947.57/422,880.19 = 82,214.29/x
  3. Step 3: Cross multiply
    281,947.57x = 422,880.19 × 82,214.29
  4. Step 4: Simplify right side
    281,947.57x = 34,766,794,575.92
  5. Step 5: Solve for x
    x = 34,766,794,575.92/281,947.57
  6. Step 6: Final answer
    x = 123,309.43

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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.