Home / 269,811.78-404,719.30-120,016.86

Finding the Fourth Proportional to 269,811.78, 404,719.30 and 120,016.86

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Solution

The fourth proportional to 269,811.78, 404,719.30 and 120,016.86 is: 180,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,811.78 : 404,719.30 = 120,016.86 : x
  2. Step 2: Convert to fraction form
    269,811.78/404,719.30 = 120,016.86/x
  3. Step 3: Cross multiply
    269,811.78x = 404,719.30 × 120,016.86
  4. Step 4: Simplify right side
    269,811.78x = 48,573,139,567.40
  5. Step 5: Solve for x
    x = 48,573,139,567.40/269,811.78
  6. Step 6: Final answer
    x = 180,026.02

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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.