Home / 442,614.20-663,129.30-269,190.20

Finding the Fourth Proportional to 442,614.20, 663,129.30 and 269,190.20

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Solution

The fourth proportional to 442,614.20, 663,129.30 and 269,190.20 is: 403,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,614.20 : 663,129.30 = 269,190.20 : x
  2. Step 2: Convert to fraction form
    442,614.20/663,129.30 = 269,190.20/x
  3. Step 3: Cross multiply
    442,614.20x = 663,129.30 × 269,190.20
  4. Step 4: Simplify right side
    442,614.20x = 178,507,908,892.86
  5. Step 5: Solve for x
    x = 178,507,908,892.86/442,614.20
  6. Step 6: Final answer
    x = 403,303.62

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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.