Home / 282,243.80-423,321.92-82,517.24

Finding the Fourth Proportional to 282,243.80, 423,321.92 and 82,517.24

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Solution

The fourth proportional to 282,243.80, 423,321.92 and 82,517.24 is: 123,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,243.80 : 423,321.92 = 82,517.24 : x
  2. Step 2: Convert to fraction form
    282,243.80/423,321.92 = 82,517.24/x
  3. Step 3: Cross multiply
    282,243.80x = 423,321.92 × 82,517.24
  4. Step 4: Simplify right side
    282,243.80x = 34,931,356,469.90
  5. Step 5: Solve for x
    x = 34,931,356,469.90/282,243.80
  6. Step 6: Final answer
    x = 123,763.06

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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.