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Finding the Fourth Proportional to 266,469.60, 400,093.20 and 109,005.60

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Solution

The fourth proportional to 266,469.60, 400,093.20 and 109,005.60 is: 163,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,469.60 : 400,093.20 = 109,005.60 : x
  2. Step 2: Convert to fraction form
    266,469.60/400,093.20 = 109,005.60/x
  3. Step 3: Cross multiply
    266,469.60x = 400,093.20 × 109,005.60
  4. Step 4: Simplify right side
    266,469.60x = 43,612,399,321.92
  5. Step 5: Solve for x
    x = 43,612,399,321.92/266,469.60
  6. Step 6: Final answer
    x = 163,667.45

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1.5x scale

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.