Home / 281,562.13-422,398.28-123,790.06

Finding the Fourth Proportional to 281,562.13, 422,398.28 and 123,790.06

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Solution

The fourth proportional to 281,562.13, 422,398.28 and 123,790.06 is: 185,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,562.13 : 422,398.28 = 123,790.06 : x
  2. Step 2: Convert to fraction form
    281,562.13/422,398.28 = 123,790.06/x
  3. Step 3: Cross multiply
    281,562.13x = 422,398.28 × 123,790.06
  4. Step 4: Simplify right side
    281,562.13x = 52,288,708,425.10
  5. Step 5: Solve for x
    x = 52,288,708,425.10/281,562.13
  6. Step 6: Final answer
    x = 185,709.31

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1.5x scale

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.