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Finding the Fourth Proportional to 269,675.70, 404,659.35 and 119,939.10

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Solution

The fourth proportional to 269,675.70, 404,659.35 and 119,939.10 is: 179,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,675.70 : 404,659.35 = 119,939.10 : x
  2. Step 2: Convert to fraction form
    269,675.70/404,659.35 = 119,939.10/x
  3. Step 3: Cross multiply
    269,675.70x = 404,659.35 × 119,939.10
  4. Step 4: Simplify right side
    269,675.70x = 48,534,478,245.59
  5. Step 5: Solve for x
    x = 48,534,478,245.59/269,675.70
  6. Step 6: Final answer
    x = 179,973.50

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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.