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Finding the Fourth Proportional to 196,890.60, 295,481.70 and 130,308.60

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Solution

The fourth proportional to 196,890.60, 295,481.70 and 130,308.60 is: 195,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,890.60 : 295,481.70 = 130,308.60 : x
  2. Step 2: Convert to fraction form
    196,890.60/295,481.70 = 130,308.60/x
  3. Step 3: Cross multiply
    196,890.60x = 295,481.70 × 130,308.60
  4. Step 4: Simplify right side
    196,890.60x = 38,503,806,652.62
  5. Step 5: Solve for x
    x = 38,503,806,652.62/196,890.60
  6. Step 6: Final answer
    x = 195,559.40

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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.