Home / 263,606.28-395,435.88-74,067.12

Finding the Fourth Proportional to 263,606.28, 395,435.88 and 74,067.12

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Solution

The fourth proportional to 263,606.28, 395,435.88 and 74,067.12 is: 111,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,606.28 : 395,435.88 = 74,067.12 : x
  2. Step 2: Convert to fraction form
    263,606.28/395,435.88 = 74,067.12/x
  3. Step 3: Cross multiply
    263,606.28x = 395,435.88 × 74,067.12
  4. Step 4: Simplify right side
    263,606.28x = 29,288,796,776.27
  5. Step 5: Solve for x
    x = 29,288,796,776.27/263,606.28
  6. Step 6: Final answer
    x = 111,108.11

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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.