Home / 263,079.72-394,678.02-122,761.80

Finding the Fourth Proportional to 263,079.72, 394,678.02 and 122,761.80

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Solution

The fourth proportional to 263,079.72, 394,678.02 and 122,761.80 is: 184,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,079.72 : 394,678.02 = 122,761.80 : x
  2. Step 2: Convert to fraction form
    263,079.72/394,678.02 = 122,761.80/x
  3. Step 3: Cross multiply
    263,079.72x = 394,678.02 × 122,761.80
  4. Step 4: Simplify right side
    263,079.72x = 48,451,384,155.64
  5. Step 5: Solve for x
    x = 48,451,384,155.64/263,079.72
  6. Step 6: Final answer
    x = 184,169.97

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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.