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Finding the Fourth Proportional to 325,858.20, 488,787.30 and 302,238.60

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Solution

The fourth proportional to 325,858.20, 488,787.30 and 302,238.60 is: 453,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,858.20 : 488,787.30 = 302,238.60 : x
  2. Step 2: Convert to fraction form
    325,858.20/488,787.30 = 302,238.60/x
  3. Step 3: Cross multiply
    325,858.20x = 488,787.30 × 302,238.60
  4. Step 4: Simplify right side
    325,858.20x = 147,730,389,249.78
  5. Step 5: Solve for x
    x = 147,730,389,249.78/325,858.20
  6. Step 6: Final answer
    x = 453,357.90

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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.