Home / 442,132.40-663,247.20-161,710.40

Finding the Fourth Proportional to 442,132.40, 663,247.20 and 161,710.40

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Solution

The fourth proportional to 442,132.40, 663,247.20 and 161,710.40 is: 242,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,132.40 : 663,247.20 = 161,710.40 : x
  2. Step 2: Convert to fraction form
    442,132.40/663,247.20 = 161,710.40/x
  3. Step 3: Cross multiply
    442,132.40x = 663,247.20 × 161,710.40
  4. Step 4: Simplify right side
    442,132.40x = 107,253,970,010.88
  5. Step 5: Solve for x
    x = 107,253,970,010.88/442,132.40
  6. Step 6: Final answer
    x = 242,583.38

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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.