Home / 274,606.38-378,761.36-252,018.26

Finding the Fourth Proportional to 274,606.38, 378,761.36 and 252,018.26

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Solution

The fourth proportional to 274,606.38, 378,761.36 and 252,018.26 is: 347,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,606.38 : 378,761.36 = 252,018.26 : x
  2. Step 2: Convert to fraction form
    274,606.38/378,761.36 = 252,018.26/x
  3. Step 3: Cross multiply
    274,606.38x = 378,761.36 × 252,018.26
  4. Step 4: Simplify right side
    274,606.38x = 95,454,778,902.43
  5. Step 5: Solve for x
    x = 95,454,778,902.43/274,606.38
  6. Step 6: Final answer
    x = 347,605.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.