Home / 331,367.20-496,559.28-243,385.12

Finding the Fourth Proportional to 331,367.20, 496,559.28 and 243,385.12

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Solution

The fourth proportional to 331,367.20, 496,559.28 and 243,385.12 is: 364,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,367.20 : 496,559.28 = 243,385.12 : x
  2. Step 2: Convert to fraction form
    331,367.20/496,559.28 = 243,385.12/x
  3. Step 3: Cross multiply
    331,367.20x = 496,559.28 × 243,385.12
  4. Step 4: Simplify right side
    331,367.20x = 120,855,139,949.91
  5. Step 5: Solve for x
    x = 120,855,139,949.91/331,367.20
  6. Step 6: Final answer
    x = 364,716.66

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1.5x scale

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.