Home / 436,234.20-654,351.30-268,272.60

Finding the Fourth Proportional to 436,234.20, 654,351.30 and 268,272.60

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Solution

The fourth proportional to 436,234.20, 654,351.30 and 268,272.60 is: 402,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,234.20 : 654,351.30 = 268,272.60 : x
  2. Step 2: Convert to fraction form
    436,234.20/654,351.30 = 268,272.60/x
  3. Step 3: Cross multiply
    436,234.20x = 654,351.30 × 268,272.60
  4. Step 4: Simplify right side
    436,234.20x = 175,544,524,564.38
  5. Step 5: Solve for x
    x = 175,544,524,564.38/436,234.20
  6. Step 6: Final answer
    x = 402,408.90

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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.