Home / 331,423.20-496,551.60-271,936.80

Finding the Fourth Proportional to 331,423.20, 496,551.60 and 271,936.80

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Solution

The fourth proportional to 331,423.20, 496,551.60 and 271,936.80 is: 407,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,423.20 : 496,551.60 = 271,936.80 : x
  2. Step 2: Convert to fraction form
    331,423.20/496,551.60 = 271,936.80/x
  3. Step 3: Cross multiply
    331,423.20x = 496,551.60 × 271,936.80
  4. Step 4: Simplify right side
    331,423.20x = 135,030,653,138.88
  5. Step 5: Solve for x
    x = 135,030,653,138.88/331,423.20
  6. Step 6: Final answer
    x = 407,426.68

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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.