Home / 775,168.38-1,162,920.24-235,380.33

Finding the Fourth Proportional to 775,168.38, 1,162,920.24 and 235,380.33

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Solution

The fourth proportional to 775,168.38, 1,162,920.24 and 235,380.33 is: 353,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,168.38 : 1,162,920.24 = 235,380.33 : x
  2. Step 2: Convert to fraction form
    775,168.38/1,162,920.24 = 235,380.33/x
  3. Step 3: Cross multiply
    775,168.38x = 1,162,920.24 × 235,380.33
  4. Step 4: Simplify right side
    775,168.38x = 273,728,549,854.88
  5. Step 5: Solve for x
    x = 273,728,549,854.88/775,168.38
  6. Step 6: Final answer
    x = 353,121.41

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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.