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Finding the Fourth Proportional to 348,620.40, 523,276.20 and 171,327.60

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Solution

The fourth proportional to 348,620.40, 523,276.20 and 171,327.60 is: 257,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,620.40 : 523,276.20 = 171,327.60 : x
  2. Step 2: Convert to fraction form
    348,620.40/523,276.20 = 171,327.60/x
  3. Step 3: Cross multiply
    348,620.40x = 523,276.20 × 171,327.60
  4. Step 4: Simplify right side
    348,620.40x = 89,651,655,483.12
  5. Step 5: Solve for x
    x = 89,651,655,483.12/348,620.40
  6. Step 6: Final answer
    x = 257,161.24

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