Home / 274,022.97-378,159.66-149,851.25

Finding the Fourth Proportional to 274,022.97, 378,159.66 and 149,851.25

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Solution

The fourth proportional to 274,022.97, 378,159.66 and 149,851.25 is: 206,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,022.97 : 378,159.66 = 149,851.25 : x
  2. Step 2: Convert to fraction form
    274,022.97/378,159.66 = 149,851.25/x
  3. Step 3: Cross multiply
    274,022.97x = 378,159.66 × 149,851.25
  4. Step 4: Simplify right side
    274,022.97x = 56,667,696,234.40
  5. Step 5: Solve for x
    x = 56,667,696,234.40/274,022.97
  6. Step 6: Final answer
    x = 206,799.07

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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.