Home / 269,747.20-372,222.30-155,002.60

Finding the Fourth Proportional to 269,747.20, 372,222.30 and 155,002.60

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Solution

The fourth proportional to 269,747.20, 372,222.30 and 155,002.60 is: 213,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,747.20 : 372,222.30 = 155,002.60 : x
  2. Step 2: Convert to fraction form
    269,747.20/372,222.30 = 155,002.60/x
  3. Step 3: Cross multiply
    269,747.20x = 372,222.30 × 155,002.60
  4. Step 4: Simplify right side
    269,747.20x = 57,695,424,277.98
  5. Step 5: Solve for x
    x = 57,695,424,277.98/269,747.20
  6. Step 6: Final answer
    x = 213,887.02

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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.