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Finding the Fourth Proportional to 180,268.60, 270,402.90 and 156,940.60

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Solution

The fourth proportional to 180,268.60, 270,402.90 and 156,940.60 is: 235,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,268.60 : 270,402.90 = 156,940.60 : x
  2. Step 2: Convert to fraction form
    180,268.60/270,402.90 = 156,940.60/x
  3. Step 3: Cross multiply
    180,268.60x = 270,402.90 × 156,940.60
  4. Step 4: Simplify right side
    180,268.60x = 42,437,193,367.74
  5. Step 5: Solve for x
    x = 42,437,193,367.74/180,268.60
  6. Step 6: Final answer
    x = 235,410.90

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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.