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Finding the Fourth Proportional to 334,453.60, 501,680.40 and 156,978.55

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Solution

The fourth proportional to 334,453.60, 501,680.40 and 156,978.55 is: 235,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,453.60 : 501,680.40 = 156,978.55 : x
  2. Step 2: Convert to fraction form
    334,453.60/501,680.40 = 156,978.55/x
  3. Step 3: Cross multiply
    334,453.60x = 501,680.40 × 156,978.55
  4. Step 4: Simplify right side
    334,453.60x = 78,753,061,755.42
  5. Step 5: Solve for x
    x = 78,753,061,755.42/334,453.60
  6. Step 6: Final answer
    x = 235,467.83

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