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Finding the Fourth Proportional to 222,451.30, 333,786.30 and 104,102.20

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Solution

The fourth proportional to 222,451.30, 333,786.30 and 104,102.20 is: 156,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,451.30 : 333,786.30 = 104,102.20 : x
  2. Step 2: Convert to fraction form
    222,451.30/333,786.30 = 104,102.20/x
  3. Step 3: Cross multiply
    222,451.30x = 333,786.30 × 104,102.20
  4. Step 4: Simplify right side
    222,451.30x = 34,747,888,159.86
  5. Step 5: Solve for x
    x = 34,747,888,159.86/222,451.30
  6. Step 6: Final answer
    x = 156,204.47

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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.