Home / 641,108.80-961,663.20-267,083.20

Finding the Fourth Proportional to 641,108.80, 961,663.20 and 267,083.20

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Solution

The fourth proportional to 641,108.80, 961,663.20 and 267,083.20 is: 400,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,108.80 : 961,663.20 = 267,083.20 : x
  2. Step 2: Convert to fraction form
    641,108.80/961,663.20 = 267,083.20/x
  3. Step 3: Cross multiply
    641,108.80x = 961,663.20 × 267,083.20
  4. Step 4: Simplify right side
    641,108.80x = 256,844,084,778.24
  5. Step 5: Solve for x
    x = 256,844,084,778.24/641,108.80
  6. Step 6: Final answer
    x = 400,624.80

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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.