Home / 263,268.61-394,545.06-111,339.38

Finding the Fourth Proportional to 263,268.61, 394,545.06 and 111,339.38

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Solution

The fourth proportional to 263,268.61, 394,545.06 and 111,339.38 is: 166,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,268.61 : 394,545.06 = 111,339.38 : x
  2. Step 2: Convert to fraction form
    263,268.61/394,545.06 = 111,339.38/x
  3. Step 3: Cross multiply
    263,268.61x = 394,545.06 × 111,339.38
  4. Step 4: Simplify right side
    263,268.61x = 43,928,403,348.83
  5. Step 5: Solve for x
    x = 43,928,403,348.83/263,268.61
  6. Step 6: Final answer
    x = 166,857.73

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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.