Home / 465,265.62-642,137.22-284,083.20

Finding the Fourth Proportional to 465,265.62, 642,137.22 and 284,083.20

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Solution

The fourth proportional to 465,265.62, 642,137.22 and 284,083.20 is: 392,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,265.62 : 642,137.22 = 284,083.20 : x
  2. Step 2: Convert to fraction form
    465,265.62/642,137.22 = 284,083.20/x
  3. Step 3: Cross multiply
    465,265.62x = 642,137.22 × 284,083.20
  4. Step 4: Simplify right side
    465,265.62x = 182,420,396,296.70
  5. Step 5: Solve for x
    x = 182,420,396,296.70/465,265.62
  6. Step 6: Final answer
    x = 392,077.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.