Home / 269,219.77-403,815.07-82,216.69

Finding the Fourth Proportional to 269,219.77, 403,815.07 and 82,216.69

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Solution

The fourth proportional to 269,219.77, 403,815.07 and 82,216.69 is: 123,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,219.77 : 403,815.07 = 82,216.69 : x
  2. Step 2: Convert to fraction form
    269,219.77/403,815.07 = 82,216.69/x
  3. Step 3: Cross multiply
    269,219.77x = 403,815.07 × 82,216.69
  4. Step 4: Simplify right side
    269,219.77x = 33,200,337,520.75
  5. Step 5: Solve for x
    x = 33,200,337,520.75/269,219.77
  6. Step 6: Final answer
    x = 123,320.58

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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.