Home / 363,977.10-545,965.65-331,317.90

Finding the Fourth Proportional to 363,977.10, 545,965.65 and 331,317.90

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Solution

The fourth proportional to 363,977.10, 545,965.65 and 331,317.90 is: 496,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,977.10 : 545,965.65 = 331,317.90 : x
  2. Step 2: Convert to fraction form
    363,977.10/545,965.65 = 331,317.90/x
  3. Step 3: Cross multiply
    363,977.10x = 545,965.65 × 331,317.90
  4. Step 4: Simplify right side
    363,977.10x = 180,888,192,630.14
  5. Step 5: Solve for x
    x = 180,888,192,630.14/363,977.10
  6. Step 6: Final answer
    x = 496,976.85

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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.