Home / 263,928.12-395,814.78-74,375.88

Finding the Fourth Proportional to 263,928.12, 395,814.78 and 74,375.88

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Solution

The fourth proportional to 263,928.12, 395,814.78 and 74,375.88 is: 111,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,928.12 : 395,814.78 = 74,375.88 : x
  2. Step 2: Convert to fraction form
    263,928.12/395,814.78 = 74,375.88/x
  3. Step 3: Cross multiply
    263,928.12x = 395,814.78 × 74,375.88
  4. Step 4: Simplify right side
    263,928.12x = 29,439,072,579.51
  5. Step 5: Solve for x
    x = 29,439,072,579.51/263,928.12
  6. Step 6: Final answer
    x = 111,542.01

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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.