Home / 442,670.20-663,213.30-269,246.20

Finding the Fourth Proportional to 442,670.20, 663,213.30 and 269,246.20

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Solution

The fourth proportional to 442,670.20, 663,213.30 and 269,246.20 is: 403,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,670.20 : 663,213.30 = 269,246.20 : x
  2. Step 2: Convert to fraction form
    442,670.20/663,213.30 = 269,246.20/x
  3. Step 3: Cross multiply
    442,670.20x = 663,213.30 × 269,246.20
  4. Step 4: Simplify right side
    442,670.20x = 178,567,660,814.46
  5. Step 5: Solve for x
    x = 178,567,660,814.46/442,670.20
  6. Step 6: Final answer
    x = 403,387.58

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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.