Home / 281,986.38-422,998.92-113,508

Finding the Fourth Proportional to 281,986.38, 422,998.92 and 113,508

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Solution

The fourth proportional to 281,986.38, 422,998.92 and 113,508 is: 170,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,986.38 : 422,998.92 = 113,508 : x
  2. Step 2: Convert to fraction form
    281,986.38/422,998.92 = 113,508/x
  3. Step 3: Cross multiply
    281,986.38x = 422,998.92 × 113,508
  4. Step 4: Simplify right side
    281,986.38x = 48,013,761,411.36
  5. Step 5: Solve for x
    x = 48,013,761,411.36/281,986.38
  6. Step 6: Final answer
    x = 170,269.79

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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.