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Finding the Fourth Proportional to 269,190.73, 403,405.11 and 149,300.45

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Solution

The fourth proportional to 269,190.73, 403,405.11 and 149,300.45 is: 223,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,190.73 : 403,405.11 = 149,300.45 : x
  2. Step 2: Convert to fraction form
    269,190.73/403,405.11 = 149,300.45/x
  3. Step 3: Cross multiply
    269,190.73x = 403,405.11 × 149,300.45
  4. Step 4: Simplify right side
    269,190.73x = 60,228,563,951.04
  5. Step 5: Solve for x
    x = 60,228,563,951.04/269,190.73
  6. Step 6: Final answer
    x = 223,739.37

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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.