Home / 281,839.42-388,954.34-167,185.95

Finding the Fourth Proportional to 281,839.42, 388,954.34 and 167,185.95

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Solution

The fourth proportional to 281,839.42, 388,954.34 and 167,185.95 is: 230,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,839.42 : 388,954.34 = 167,185.95 : x
  2. Step 2: Convert to fraction form
    281,839.42/388,954.34 = 167,185.95/x
  3. Step 3: Cross multiply
    281,839.42x = 388,954.34 × 167,185.95
  4. Step 4: Simplify right side
    281,839.42x = 65,027,700,839.52
  5. Step 5: Solve for x
    x = 65,027,700,839.52/281,839.42
  6. Step 6: Final answer
    x = 230,726.07

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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.