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Finding the Fourth Proportional to 346,502.20, 520,142.10 and 267,964.60

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Solution

The fourth proportional to 346,502.20, 520,142.10 and 267,964.60 is: 402,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,502.20 : 520,142.10 = 267,964.60 : x
  2. Step 2: Convert to fraction form
    346,502.20/520,142.10 = 267,964.60/x
  3. Step 3: Cross multiply
    346,502.20x = 520,142.10 × 267,964.60
  4. Step 4: Simplify right side
    346,502.20x = 139,379,669,769.66
  5. Step 5: Solve for x
    x = 139,379,669,769.66/346,502.20
  6. Step 6: Final answer
    x = 402,247.58

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