Home / 274,301.12-378,553.55-153,463.29

Finding the Fourth Proportional to 274,301.12, 378,553.55 and 153,463.29

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Solution

The fourth proportional to 274,301.12, 378,553.55 and 153,463.29 is: 211,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,301.12 : 378,553.55 = 153,463.29 : x
  2. Step 2: Convert to fraction form
    274,301.12/378,553.55 = 153,463.29/x
  3. Step 3: Cross multiply
    274,301.12x = 378,553.55 × 153,463.29
  4. Step 4: Simplify right side
    274,301.12x = 58,094,072,456.86
  5. Step 5: Solve for x
    x = 58,094,072,456.86/274,301.12
  6. Step 6: Final answer
    x = 211,789.41

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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.