Home / 281,560.38-422,395.68-123,788.34

Finding the Fourth Proportional to 281,560.38, 422,395.68 and 123,788.34

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Solution

The fourth proportional to 281,560.38, 422,395.68 and 123,788.34 is: 185,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,560.38 : 422,395.68 = 123,788.34 : x
  2. Step 2: Convert to fraction form
    281,560.38/422,395.68 = 123,788.34/x
  3. Step 3: Cross multiply
    281,560.38x = 422,395.68 × 123,788.34
  4. Step 4: Simplify right side
    281,560.38x = 52,287,660,050.37
  5. Step 5: Solve for x
    x = 52,287,660,050.37/281,560.38
  6. Step 6: Final answer
    x = 185,706.74

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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.