Home / 331,255.20-496,947.60-141,715.20

Finding the Fourth Proportional to 331,255.20, 496,947.60 and 141,715.20

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Solution

The fourth proportional to 331,255.20, 496,947.60 and 141,715.20 is: 212,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,255.20 : 496,947.60 = 141,715.20 : x
  2. Step 2: Convert to fraction form
    331,255.20/496,947.60 = 141,715.20/x
  3. Step 3: Cross multiply
    331,255.20x = 496,947.60 × 141,715.20
  4. Step 4: Simplify right side
    331,255.20x = 70,425,028,523.52
  5. Step 5: Solve for x
    x = 70,425,028,523.52/331,255.20
  6. Step 6: Final answer
    x = 212,600.52

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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.