Home / 336,919.88-505,360.38-203,764.39

Finding the Fourth Proportional to 336,919.88, 505,360.38 and 203,764.39

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Solution

The fourth proportional to 336,919.88, 505,360.38 and 203,764.39 is: 305,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,919.88 : 505,360.38 = 203,764.39 : x
  2. Step 2: Convert to fraction form
    336,919.88/505,360.38 = 203,764.39/x
  3. Step 3: Cross multiply
    336,919.88x = 505,360.38 × 203,764.39
  4. Step 4: Simplify right side
    336,919.88x = 102,974,449,560.87
  5. Step 5: Solve for x
    x = 102,974,449,560.87/336,919.88
  6. Step 6: Final answer
    x = 305,634.83

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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.