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Finding the Fourth Proportional to 350,286, 483,395.22 and 199,383

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Solution

The fourth proportional to 350,286, 483,395.22 and 199,383 is: 275,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,286 : 483,395.22 = 199,383 : x
  2. Step 2: Convert to fraction form
    350,286/483,395.22 = 199,383/x
  3. Step 3: Cross multiply
    350,286x = 483,395.22 × 199,383
  4. Step 4: Simplify right side
    350,286x = 96,380,789,149.26
  5. Step 5: Solve for x
    x = 96,380,789,149.26/350,286
  6. Step 6: Final answer
    x = 275,148.85

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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.