Home / 283,934.82-426,164.67-143,791.86

Finding the Fourth Proportional to 283,934.82, 426,164.67 and 143,791.86

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Solution

The fourth proportional to 283,934.82, 426,164.67 and 143,791.86 is: 215,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,934.82 : 426,164.67 = 143,791.86 : x
  2. Step 2: Convert to fraction form
    283,934.82/426,164.67 = 143,791.86/x
  3. Step 3: Cross multiply
    283,934.82x = 426,164.67 × 143,791.86
  4. Step 4: Simplify right side
    283,934.82x = 61,279,010,565.59
  5. Step 5: Solve for x
    x = 61,279,010,565.59/283,934.82
  6. Step 6: Final answer
    x = 215,820.70

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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.