Home / 222,072.12-332,960.22-122,279.30

Finding the Fourth Proportional to 222,072.12, 332,960.22 and 122,279.30

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Solution

The fourth proportional to 222,072.12, 332,960.22 and 122,279.30 is: 183,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,072.12 : 332,960.22 = 122,279.30 : x
  2. Step 2: Convert to fraction form
    222,072.12/332,960.22 = 122,279.30/x
  3. Step 3: Cross multiply
    222,072.12x = 332,960.22 × 122,279.30
  4. Step 4: Simplify right side
    222,072.12x = 40,714,142,629.45
  5. Step 5: Solve for x
    x = 40,714,142,629.45/222,072.12
  6. Step 6: Final answer
    x = 183,337.48

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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.