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Finding the Fourth Proportional to 311,907.36, 430,432.20 and 168,667.44

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Solution

The fourth proportional to 311,907.36, 430,432.20 and 168,667.44 is: 232,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,907.36 : 430,432.20 = 168,667.44 : x
  2. Step 2: Convert to fraction form
    311,907.36/430,432.20 = 168,667.44/x
  3. Step 3: Cross multiply
    311,907.36x = 430,432.20 × 168,667.44
  4. Step 4: Simplify right side
    311,907.36x = 72,599,897,267.57
  5. Step 5: Solve for x
    x = 72,599,897,267.57/311,907.36
  6. Step 6: Final answer
    x = 232,761.09

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