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Finding the Fourth Proportional to 325,793.20, 488,776.20 and 115,409.20

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Solution

The fourth proportional to 325,793.20, 488,776.20 and 115,409.20 is: 173,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,793.20 : 488,776.20 = 115,409.20 : x
  2. Step 2: Convert to fraction form
    325,793.20/488,776.20 = 115,409.20/x
  3. Step 3: Cross multiply
    325,793.20x = 488,776.20 × 115,409.20
  4. Step 4: Simplify right side
    325,793.20x = 56,409,270,221.04
  5. Step 5: Solve for x
    x = 56,409,270,221.04/325,793.20
  6. Step 6: Final answer
    x = 173,144.41

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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.