Home / 274,843.12-379,297.20-167,395.92

Finding the Fourth Proportional to 274,843.12, 379,297.20 and 167,395.92

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Solution

The fourth proportional to 274,843.12, 379,297.20 and 167,395.92 is: 231,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,843.12 : 379,297.20 = 167,395.92 : x
  2. Step 2: Convert to fraction form
    274,843.12/379,297.20 = 167,395.92/x
  3. Step 3: Cross multiply
    274,843.12x = 379,297.20 × 167,395.92
  4. Step 4: Simplify right side
    274,843.12x = 63,492,803,747.42
  5. Step 5: Solve for x
    x = 63,492,803,747.42/274,843.12
  6. Step 6: Final answer
    x = 231,014.71

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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.