Home / 269,261.28-403,891.92-82,271.16

Finding the Fourth Proportional to 269,261.28, 403,891.92 and 82,271.16

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Solution

The fourth proportional to 269,261.28, 403,891.92 and 82,271.16 is: 123,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,261.28 : 403,891.92 = 82,271.16 : x
  2. Step 2: Convert to fraction form
    269,261.28/403,891.92 = 82,271.16/x
  3. Step 3: Cross multiply
    269,261.28x = 403,891.92 × 82,271.16
  4. Step 4: Simplify right side
    269,261.28x = 33,228,656,773.03
  5. Step 5: Solve for x
    x = 33,228,656,773.03/269,261.28
  6. Step 6: Final answer
    x = 123,406.74

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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.