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Finding the Fourth Proportional to 262,285.80, 393,623.10 and 173,509.80

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Solution

The fourth proportional to 262,285.80, 393,623.10 and 173,509.80 is: 260,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,285.80 : 393,623.10 = 173,509.80 : x
  2. Step 2: Convert to fraction form
    262,285.80/393,623.10 = 173,509.80/x
  3. Step 3: Cross multiply
    262,285.80x = 393,623.10 × 173,509.80
  4. Step 4: Simplify right side
    262,285.80x = 68,297,465,356.38
  5. Step 5: Solve for x
    x = 68,297,465,356.38/262,285.80
  6. Step 6: Final answer
    x = 260,393.30

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