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Finding the Fourth Proportional to 287,682.13, 397,171.43 and 255,762.67

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Solution

The fourth proportional to 287,682.13, 397,171.43 and 255,762.67 is: 353,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,682.13 : 397,171.43 = 255,762.67 : x
  2. Step 2: Convert to fraction form
    287,682.13/397,171.43 = 255,762.67/x
  3. Step 3: Cross multiply
    287,682.13x = 397,171.43 × 255,762.67
  4. Step 4: Simplify right side
    287,682.13x = 101,581,624,105.71
  5. Step 5: Solve for x
    x = 101,581,624,105.71/287,682.13
  6. Step 6: Final answer
    x = 353,103.70

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