Home / 330,704.20-496,250.70-120,363.40

Finding the Fourth Proportional to 330,704.20, 496,250.70 and 120,363.40

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Solution

The fourth proportional to 330,704.20, 496,250.70 and 120,363.40 is: 180,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,704.20 : 496,250.70 = 120,363.40 : x
  2. Step 2: Convert to fraction form
    330,704.20/496,250.70 = 120,363.40/x
  3. Step 3: Cross multiply
    330,704.20x = 496,250.70 × 120,363.40
  4. Step 4: Simplify right side
    330,704.20x = 59,730,421,504.38
  5. Step 5: Solve for x
    x = 59,730,421,504.38/330,704.20
  6. Step 6: Final answer
    x = 180,615.85

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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.