Home / 255,067.20-381,693.60-222,148.80

Finding the Fourth Proportional to 255,067.20, 381,693.60 and 222,148.80

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Solution

The fourth proportional to 255,067.20, 381,693.60 and 222,148.80 is: 332,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,067.20 : 381,693.60 = 222,148.80 : x
  2. Step 2: Convert to fraction form
    255,067.20/381,693.60 = 222,148.80/x
  3. Step 3: Cross multiply
    255,067.20x = 381,693.60 × 222,148.80
  4. Step 4: Simplify right side
    255,067.20x = 84,792,775,207.68
  5. Step 5: Solve for x
    x = 84,792,775,207.68/255,067.20
  6. Step 6: Final answer
    x = 332,433.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.