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Finding the Fourth Proportional to 269,309, 371,644.42 and 148,450.40

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Solution

The fourth proportional to 269,309, 371,644.42 and 148,450.40 is: 204,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,309 : 371,644.42 = 148,450.40 : x
  2. Step 2: Convert to fraction form
    269,309/371,644.42 = 148,450.40/x
  3. Step 3: Cross multiply
    269,309x = 371,644.42 × 148,450.40
  4. Step 4: Simplify right side
    269,309x = 55,170,762,806.77
  5. Step 5: Solve for x
    x = 55,170,762,806.77/269,309
  6. Step 6: Final answer
    x = 204,860.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.