Home / 202,943.38-304,417.12-90,629.29

Finding the Fourth Proportional to 202,943.38, 304,417.12 and 90,629.29

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Solution

The fourth proportional to 202,943.38, 304,417.12 and 90,629.29 is: 135,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,943.38 : 304,417.12 = 90,629.29 : x
  2. Step 2: Convert to fraction form
    202,943.38/304,417.12 = 90,629.29/x
  3. Step 3: Cross multiply
    202,943.38x = 304,417.12 × 90,629.29
  4. Step 4: Simplify right side
    202,943.38x = 27,589,107,449.44
  5. Step 5: Solve for x
    x = 27,589,107,449.44/202,943.38
  6. Step 6: Final answer
    x = 135,944.85

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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.