Home / 281,724.43-422,023.29-169,343.68

Finding the Fourth Proportional to 281,724.43, 422,023.29 and 169,343.68

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Solution

The fourth proportional to 281,724.43, 422,023.29 and 169,343.68 is: 253,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,724.43 : 422,023.29 = 169,343.68 : x
  2. Step 2: Convert to fraction form
    281,724.43/422,023.29 = 169,343.68/x
  3. Step 3: Cross multiply
    281,724.43x = 422,023.29 × 169,343.68
  4. Step 4: Simplify right side
    281,724.43x = 71,466,976,974.31
  5. Step 5: Solve for x
    x = 71,466,976,974.31/281,724.43
  6. Step 6: Final answer
    x = 253,676.89

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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.