Home / 269,222.78-403,835.80-82,234.28

Finding the Fourth Proportional to 269,222.78, 403,835.80 and 82,234.28

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Solution

The fourth proportional to 269,222.78, 403,835.80 and 82,234.28 is: 123,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,222.78 : 403,835.80 = 82,234.28 : x
  2. Step 2: Convert to fraction form
    269,222.78/403,835.80 = 82,234.28/x
  3. Step 3: Cross multiply
    269,222.78x = 403,835.80 × 82,234.28
  4. Step 4: Simplify right side
    269,222.78x = 33,209,146,251.22
  5. Step 5: Solve for x
    x = 33,209,146,251.22/269,222.78
  6. Step 6: Final answer
    x = 123,351.92

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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.