Home / 217,982.48-300,962.62-194,940.81

Finding the Fourth Proportional to 217,982.48, 300,962.62 and 194,940.81

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Solution

The fourth proportional to 217,982.48, 300,962.62 and 194,940.81 is: 269,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,982.48 : 300,962.62 = 194,940.81 : x
  2. Step 2: Convert to fraction form
    217,982.48/300,962.62 = 194,940.81/x
  3. Step 3: Cross multiply
    217,982.48x = 300,962.62 × 194,940.81
  4. Step 4: Simplify right side
    217,982.48x = 58,669,897,166.20
  5. Step 5: Solve for x
    x = 58,669,897,166.20/217,982.48
  6. Step 6: Final answer
    x = 269,149.61

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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.