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Finding the Fourth Proportional to 216,064.73, 298,168.89 and 120,565.73

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Solution

The fourth proportional to 216,064.73, 298,168.89 and 120,565.73 is: 166,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,064.73 : 298,168.89 = 120,565.73 : x
  2. Step 2: Convert to fraction form
    216,064.73/298,168.89 = 120,565.73/x
  3. Step 3: Cross multiply
    216,064.73x = 298,168.89 × 120,565.73
  4. Step 4: Simplify right side
    216,064.73x = 35,948,949,886.14
  5. Step 5: Solve for x
    x = 35,948,949,886.14/216,064.73
  6. Step 6: Final answer
    x = 166,380.46

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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.