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Finding the Fourth Proportional to 226,009.54, 311,872.52 and 134,112.98

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Solution

The fourth proportional to 226,009.54, 311,872.52 and 134,112.98 is: 185,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,009.54 : 311,872.52 = 134,112.98 : x
  2. Step 2: Convert to fraction form
    226,009.54/311,872.52 = 134,112.98/x
  3. Step 3: Cross multiply
    226,009.54x = 311,872.52 × 134,112.98
  4. Step 4: Simplify right side
    226,009.54x = 41,826,153,037.31
  5. Step 5: Solve for x
    x = 41,826,153,037.31/226,009.54
  6. Step 6: Final answer
    x = 185,063.66

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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.