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Finding the Fourth Proportional to 226,704.20, 340,056.30 and 121,728.20

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Solution

The fourth proportional to 226,704.20, 340,056.30 and 121,728.20 is: 182,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,704.20 : 340,056.30 = 121,728.20 : x
  2. Step 2: Convert to fraction form
    226,704.20/340,056.30 = 121,728.20/x
  3. Step 3: Cross multiply
    226,704.20x = 340,056.30 × 121,728.20
  4. Step 4: Simplify right side
    226,704.20x = 41,394,441,297.66
  5. Step 5: Solve for x
    x = 41,394,441,297.66/226,704.20
  6. Step 6: Final answer
    x = 182,592.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.