Home / 270,067.68-372,688.20-149,214.24

Finding the Fourth Proportional to 270,067.68, 372,688.20 and 149,214.24

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Solution

The fourth proportional to 270,067.68, 372,688.20 and 149,214.24 is: 205,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,067.68 : 372,688.20 = 149,214.24 : x
  2. Step 2: Convert to fraction form
    270,067.68/372,688.20 = 149,214.24/x
  3. Step 3: Cross multiply
    270,067.68x = 372,688.20 × 149,214.24
  4. Step 4: Simplify right side
    270,067.68x = 55,610,386,519.97
  5. Step 5: Solve for x
    x = 55,610,386,519.97/270,067.68
  6. Step 6: Final answer
    x = 205,912.78

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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.