Home / 378,371.40-567,555.04-162,198.29

Finding the Fourth Proportional to 378,371.40, 567,555.04 and 162,198.29

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Solution

The fourth proportional to 378,371.40, 567,555.04 and 162,198.29 is: 243,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,371.40 : 567,555.04 = 162,198.29 : x
  2. Step 2: Convert to fraction form
    378,371.40/567,555.04 = 162,198.29/x
  3. Step 3: Cross multiply
    378,371.40x = 567,555.04 × 162,198.29
  4. Step 4: Simplify right side
    378,371.40x = 92,056,456,968.88
  5. Step 5: Solve for x
    x = 92,056,456,968.88/378,371.40
  6. Step 6: Final answer
    x = 243,296.55

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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.