Home / 215,298.96-322,854.30-108,617.28

Finding the Fourth Proportional to 215,298.96, 322,854.30 and 108,617.28

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Solution

The fourth proportional to 215,298.96, 322,854.30 and 108,617.28 is: 162,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,298.96 : 322,854.30 = 108,617.28 : x
  2. Step 2: Convert to fraction form
    215,298.96/322,854.30 = 108,617.28/x
  3. Step 3: Cross multiply
    215,298.96x = 322,854.30 × 108,617.28
  4. Step 4: Simplify right side
    215,298.96x = 35,067,555,902.30
  5. Step 5: Solve for x
    x = 35,067,555,902.30/215,298.96
  6. Step 6: Final answer
    x = 162,878.43

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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.