Home / 331,144.20-496,716.30-296,929.80

Finding the Fourth Proportional to 331,144.20, 496,716.30 and 296,929.80

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Solution

The fourth proportional to 331,144.20, 496,716.30 and 296,929.80 is: 445,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,144.20 : 496,716.30 = 296,929.80 : x
  2. Step 2: Convert to fraction form
    331,144.20/496,716.30 = 296,929.80/x
  3. Step 3: Cross multiply
    331,144.20x = 496,716.30 × 296,929.80
  4. Step 4: Simplify right side
    331,144.20x = 147,489,871,615.74
  5. Step 5: Solve for x
    x = 147,489,871,615.74/331,144.20
  6. Step 6: Final answer
    x = 445,394.70

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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.