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Finding the Fourth Proportional to 230,069.00, 345,061.96 and 80,352.09

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Solution

The fourth proportional to 230,069.00, 345,061.96 and 80,352.09 is: 120,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,069.00 : 345,061.96 = 80,352.09 : x
  2. Step 2: Convert to fraction form
    230,069.00/345,061.96 = 80,352.09/x
  3. Step 3: Cross multiply
    230,069.00x = 345,061.96 × 80,352.09
  4. Step 4: Simplify right side
    230,069.00x = 27,726,449,464.62
  5. Step 5: Solve for x
    x = 27,726,449,464.62/230,069.00
  6. Step 6: Final answer
    x = 120,513.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.