Home / 331,962.20-497,943.30-82,644.20

Finding the Fourth Proportional to 331,962.20, 497,943.30 and 82,644.20

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Solution

The fourth proportional to 331,962.20, 497,943.30 and 82,644.20 is: 123,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,962.20 : 497,943.30 = 82,644.20 : x
  2. Step 2: Convert to fraction form
    331,962.20/497,943.30 = 82,644.20/x
  3. Step 3: Cross multiply
    331,962.20x = 497,943.30 × 82,644.20
  4. Step 4: Simplify right side
    331,962.20x = 41,152,125,673.86
  5. Step 5: Solve for x
    x = 41,152,125,673.86/331,962.20
  6. Step 6: Final answer
    x = 123,966.30

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Similar ratio
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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.