Home / 270,047.32-372,687.12-149,199.20

Finding the Fourth Proportional to 270,047.32, 372,687.12 and 149,199.20

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Solution

The fourth proportional to 270,047.32, 372,687.12 and 149,199.20 is: 205,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,047.32 : 372,687.12 = 149,199.20 : x
  2. Step 2: Convert to fraction form
    270,047.32/372,687.12 = 149,199.20/x
  3. Step 3: Cross multiply
    270,047.32x = 372,687.12 × 149,199.20
  4. Step 4: Simplify right side
    270,047.32x = 55,604,620,154.30
  5. Step 5: Solve for x
    x = 55,604,620,154.30/270,047.32
  6. Step 6: Final answer
    x = 205,906.95

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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.