Home / 345,067.12-517,994.52-231,299.56

Finding the Fourth Proportional to 345,067.12, 517,994.52 and 231,299.56

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Solution

The fourth proportional to 345,067.12, 517,994.52 and 231,299.56 is: 347,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,067.12 : 517,994.52 = 231,299.56 : x
  2. Step 2: Convert to fraction form
    345,067.12/517,994.52 = 231,299.56/x
  3. Step 3: Cross multiply
    345,067.12x = 517,994.52 × 231,299.56
  4. Step 4: Simplify right side
    345,067.12x = 119,811,904,558.41
  5. Step 5: Solve for x
    x = 119,811,904,558.41/345,067.12
  6. Step 6: Final answer
    x = 347,213.33

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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.