Home / 274,695.38-379,083.89-158,344.64

Finding the Fourth Proportional to 274,695.38, 379,083.89 and 158,344.64

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Solution

The fourth proportional to 274,695.38, 379,083.89 and 158,344.64 is: 218,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,695.38 : 379,083.89 = 158,344.64 : x
  2. Step 2: Convert to fraction form
    274,695.38/379,083.89 = 158,344.64/x
  3. Step 3: Cross multiply
    274,695.38x = 379,083.89 × 158,344.64
  4. Step 4: Simplify right side
    274,695.38x = 60,025,902,091.85
  5. Step 5: Solve for x
    x = 60,025,902,091.85/274,695.38
  6. Step 6: Final answer
    x = 218,518.06

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1.5x scale

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.