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Finding the Fourth Proportional to 216,067.40, 324,101.10 and 97,742.60

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Solution

The fourth proportional to 216,067.40, 324,101.10 and 97,742.60 is: 146,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,067.40 : 324,101.10 = 97,742.60 : x
  2. Step 2: Convert to fraction form
    216,067.40/324,101.10 = 97,742.60/x
  3. Step 3: Cross multiply
    216,067.40x = 324,101.10 × 97,742.60
  4. Step 4: Simplify right side
    216,067.40x = 31,678,484,176.86
  5. Step 5: Solve for x
    x = 31,678,484,176.86/216,067.40
  6. Step 6: Final answer
    x = 146,613.90

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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.