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Finding the Fourth Proportional to 217,073.40, 325,610.10 and 117,540.60

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Solution

The fourth proportional to 217,073.40, 325,610.10 and 117,540.60 is: 176,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,073.40 : 325,610.10 = 117,540.60 : x
  2. Step 2: Convert to fraction form
    217,073.40/325,610.10 = 117,540.60/x
  3. Step 3: Cross multiply
    217,073.40x = 325,610.10 × 117,540.60
  4. Step 4: Simplify right side
    217,073.40x = 38,272,406,520.06
  5. Step 5: Solve for x
    x = 38,272,406,520.06/217,073.40
  6. Step 6: Final answer
    x = 176,310.90

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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.