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Finding the Fourth Proportional to 222,578.58, 333,953.28 and 133,894.92

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Solution

The fourth proportional to 222,578.58, 333,953.28 and 133,894.92 is: 200,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,578.58 : 333,953.28 = 133,894.92 : x
  2. Step 2: Convert to fraction form
    222,578.58/333,953.28 = 133,894.92/x
  3. Step 3: Cross multiply
    222,578.58x = 333,953.28 × 133,894.92
  4. Step 4: Simplify right side
    222,578.58x = 44,714,647,709.34
  5. Step 5: Solve for x
    x = 44,714,647,709.34/222,578.58
  6. Step 6: Final answer
    x = 200,893.76

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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.