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Finding the Fourth Proportional to 348,055.20, 522,082.80 and 111,405.60

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Solution

The fourth proportional to 348,055.20, 522,082.80 and 111,405.60 is: 167,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,055.20 : 522,082.80 = 111,405.60 : x
  2. Step 2: Convert to fraction form
    348,055.20/522,082.80 = 111,405.60/x
  3. Step 3: Cross multiply
    348,055.20x = 522,082.80 × 111,405.60
  4. Step 4: Simplify right side
    348,055.20x = 58,162,947,583.68
  5. Step 5: Solve for x
    x = 58,162,947,583.68/348,055.20
  6. Step 6: Final answer
    x = 167,108.40

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