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Finding the Fourth Proportional to 228,226.80, 342,340.20 and 148,911.60

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Solution

The fourth proportional to 228,226.80, 342,340.20 and 148,911.60 is: 223,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,226.80 : 342,340.20 = 148,911.60 : x
  2. Step 2: Convert to fraction form
    228,226.80/342,340.20 = 148,911.60/x
  3. Step 3: Cross multiply
    228,226.80x = 342,340.20 × 148,911.60
  4. Step 4: Simplify right side
    228,226.80x = 50,978,426,926.32
  5. Step 5: Solve for x
    x = 50,978,426,926.32/228,226.80
  6. Step 6: Final answer
    x = 223,367.40

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