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Finding the Fourth Proportional to 341,432.80, 512,149.20 and 235,144.60

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Solution

The fourth proportional to 341,432.80, 512,149.20 and 235,144.60 is: 352,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,432.80 : 512,149.20 = 235,144.60 : x
  2. Step 2: Convert to fraction form
    341,432.80/512,149.20 = 235,144.60/x
  3. Step 3: Cross multiply
    341,432.80x = 512,149.20 × 235,144.60
  4. Step 4: Simplify right side
    341,432.80x = 120,429,118,774.32
  5. Step 5: Solve for x
    x = 120,429,118,774.32/341,432.80
  6. Step 6: Final answer
    x = 352,716.90

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