Home / 269,926.93-404,977.83-80,388.86

Finding the Fourth Proportional to 269,926.93, 404,977.83 and 80,388.86

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Solution

The fourth proportional to 269,926.93, 404,977.83 and 80,388.86 is: 120,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,926.93 : 404,977.83 = 80,388.86 : x
  2. Step 2: Convert to fraction form
    269,926.93/404,977.83 = 80,388.86/x
  3. Step 3: Cross multiply
    269,926.93x = 404,977.83 × 80,388.86
  4. Step 4: Simplify right side
    269,926.93x = 32,555,703,752.63
  5. Step 5: Solve for x
    x = 32,555,703,752.63/269,926.93
  6. Step 6: Final answer
    x = 120,609.32

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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.