Home / 442,084.20-663,126.30-274,122.60

Finding the Fourth Proportional to 442,084.20, 663,126.30 and 274,122.60

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Solution

The fourth proportional to 442,084.20, 663,126.30 and 274,122.60 is: 411,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,084.20 : 663,126.30 = 274,122.60 : x
  2. Step 2: Convert to fraction form
    442,084.20/663,126.30 = 274,122.60/x
  3. Step 3: Cross multiply
    442,084.20x = 663,126.30 × 274,122.60
  4. Step 4: Simplify right side
    442,084.20x = 181,777,905,484.38
  5. Step 5: Solve for x
    x = 181,777,905,484.38/442,084.20
  6. Step 6: Final answer
    x = 411,183.90

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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.