Home / 283,934.07-426,163.56-143,791.11

Finding the Fourth Proportional to 283,934.07, 426,163.56 and 143,791.11

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Solution

The fourth proportional to 283,934.07, 426,163.56 and 143,791.11 is: 215,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,934.07 : 426,163.56 = 143,791.11 : x
  2. Step 2: Convert to fraction form
    283,934.07/426,163.56 = 143,791.11/x
  3. Step 3: Cross multiply
    283,934.07x = 426,163.56 × 143,791.11
  4. Step 4: Simplify right side
    283,934.07x = 61,278,531,333.95
  5. Step 5: Solve for x
    x = 61,278,531,333.95/283,934.07
  6. Step 6: Final answer
    x = 215,819.58

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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.