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Finding the Fourth Proportional to 216,123.60, 298,250.91 and 120,630.27

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Solution

The fourth proportional to 216,123.60, 298,250.91 and 120,630.27 is: 166,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,123.60 : 298,250.91 = 120,630.27 : x
  2. Step 2: Convert to fraction form
    216,123.60/298,250.91 = 120,630.27/x
  3. Step 3: Cross multiply
    216,123.60x = 298,250.91 × 120,630.27
  4. Step 4: Simplify right side
    216,123.60x = 35,978,087,801.05
  5. Step 5: Solve for x
    x = 35,978,087,801.05/216,123.60
  6. Step 6: Final answer
    x = 166,469.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.