Home / 217,786.20-300,524.04-122,271

Finding the Fourth Proportional to 217,786.20, 300,524.04 and 122,271

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Solution

The fourth proportional to 217,786.20, 300,524.04 and 122,271 is: 168,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,786.20 : 300,524.04 = 122,271 : x
  2. Step 2: Convert to fraction form
    217,786.20/300,524.04 = 122,271/x
  3. Step 3: Cross multiply
    217,786.20x = 300,524.04 × 122,271
  4. Step 4: Simplify right side
    217,786.20x = 36,745,374,894.84
  5. Step 5: Solve for x
    x = 36,745,374,894.84/217,786.20
  6. Step 6: Final answer
    x = 168,722.24

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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.