Home / 269,260.90-403,964.05-82,267.30

Finding the Fourth Proportional to 269,260.90, 403,964.05 and 82,267.30

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Solution

The fourth proportional to 269,260.90, 403,964.05 and 82,267.30 is: 123,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,260.90 : 403,964.05 = 82,267.30 : x
  2. Step 2: Convert to fraction form
    269,260.90/403,964.05 = 82,267.30/x
  3. Step 3: Cross multiply
    269,260.90x = 403,964.05 × 82,267.30
  4. Step 4: Simplify right side
    269,260.90x = 33,233,031,690.57
  5. Step 5: Solve for x
    x = 33,233,031,690.57/269,260.90
  6. Step 6: Final answer
    x = 123,423.16

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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.