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Finding the Fourth Proportional to 408,144.00, 612,222.22 and 155,438.48

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Solution

The fourth proportional to 408,144.00, 612,222.22 and 155,438.48 is: 233,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,144.00 : 612,222.22 = 155,438.48 : x
  2. Step 2: Convert to fraction form
    408,144.00/612,222.22 = 155,438.48/x
  3. Step 3: Cross multiply
    408,144.00x = 612,222.22 × 155,438.48
  4. Step 4: Simplify right side
    408,144.00x = 95,162,890,017.30
  5. Step 5: Solve for x
    x = 95,162,890,017.30/408,144.00
  6. Step 6: Final answer
    x = 233,160.09

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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.