Home / 394,985.97-592,338.83-142,198.59

Finding the Fourth Proportional to 394,985.97, 592,338.83 and 142,198.59

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Solution

The fourth proportional to 394,985.97, 592,338.83 and 142,198.59 is: 213,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,985.97 : 592,338.83 = 142,198.59 : x
  2. Step 2: Convert to fraction form
    394,985.97/592,338.83 = 142,198.59/x
  3. Step 3: Cross multiply
    394,985.97x = 592,338.83 × 142,198.59
  4. Step 4: Simplify right side
    394,985.97x = 84,229,745,717.26
  5. Step 5: Solve for x
    x = 84,229,745,717.26/394,985.97
  6. Step 6: Final answer
    x = 213,247.44

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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.