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Finding the Fourth Proportional to 222,604.62, 307,178.91 and 131,955.90

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Solution

The fourth proportional to 222,604.62, 307,178.91 and 131,955.90 is: 182,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,604.62 : 307,178.91 = 131,955.90 : x
  2. Step 2: Convert to fraction form
    222,604.62/307,178.91 = 131,955.90/x
  3. Step 3: Cross multiply
    222,604.62x = 307,178.91 × 131,955.90
  4. Step 4: Simplify right side
    222,604.62x = 40,534,069,530.07
  5. Step 5: Solve for x
    x = 40,534,069,530.07/222,604.62
  6. Step 6: Final answer
    x = 182,089.97

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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.