Home / 619,375.02-929,154.87-219,982.29

Finding the Fourth Proportional to 619,375.02, 929,154.87 and 219,982.29

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Solution

The fourth proportional to 619,375.02, 929,154.87 and 219,982.29 is: 330,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,375.02 : 929,154.87 = 219,982.29 : x
  2. Step 2: Convert to fraction form
    619,375.02/929,154.87 = 219,982.29/x
  3. Step 3: Cross multiply
    619,375.02x = 929,154.87 × 219,982.29
  4. Step 4: Simplify right side
    619,375.02x = 204,397,616,067.25
  5. Step 5: Solve for x
    x = 204,397,616,067.25/619,375.02
  6. Step 6: Final answer
    x = 330,006.23

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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.