Home / 331,331.50-496,997.25-82,013.50

Finding the Fourth Proportional to 331,331.50, 496,997.25 and 82,013.50

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Solution

The fourth proportional to 331,331.50, 496,997.25 and 82,013.50 is: 123,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,331.50 : 496,997.25 = 82,013.50 : x
  2. Step 2: Convert to fraction form
    331,331.50/496,997.25 = 82,013.50/x
  3. Step 3: Cross multiply
    331,331.50x = 496,997.25 × 82,013.50
  4. Step 4: Simplify right side
    331,331.50x = 40,760,483,962.88
  5. Step 5: Solve for x
    x = 40,760,483,962.88/331,331.50
  6. Step 6: Final answer
    x = 123,020.25

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1.5x scale

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.