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Finding the Fourth Proportional to 346,857.20, 520,285.80 and 180,623.60

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Solution

The fourth proportional to 346,857.20, 520,285.80 and 180,623.60 is: 270,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,857.20 : 520,285.80 = 180,623.60 : x
  2. Step 2: Convert to fraction form
    346,857.20/520,285.80 = 180,623.60/x
  3. Step 3: Cross multiply
    346,857.20x = 520,285.80 × 180,623.60
  4. Step 4: Simplify right side
    346,857.20x = 93,975,894,224.88
  5. Step 5: Solve for x
    x = 93,975,894,224.88/346,857.20
  6. Step 6: Final answer
    x = 270,935.40

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