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Finding the Fourth Proportional to 222,849, 307,531.68 and 122,247

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Solution

The fourth proportional to 222,849, 307,531.68 and 122,247 is: 168,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,849 : 307,531.68 = 122,247 : x
  2. Step 2: Convert to fraction form
    222,849/307,531.68 = 122,247/x
  3. Step 3: Cross multiply
    222,849x = 307,531.68 × 122,247
  4. Step 4: Simplify right side
    222,849x = 37,594,825,284.96
  5. Step 5: Solve for x
    x = 37,594,825,284.96/222,849
  6. Step 6: Final answer
    x = 168,700.89

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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.