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Finding the Fourth Proportional to 268,576.40, 402,281.40 and 163,600.40

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Solution

The fourth proportional to 268,576.40, 402,281.40 and 163,600.40 is: 245,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576.40 : 402,281.40 = 163,600.40 : x
  2. Step 2: Convert to fraction form
    268,576.40/402,281.40 = 163,600.40/x
  3. Step 3: Cross multiply
    268,576.40x = 402,281.40 × 163,600.40
  4. Step 4: Simplify right side
    268,576.40x = 65,813,397,952.56
  5. Step 5: Solve for x
    x = 65,813,397,952.56/268,576.40
  6. Step 6: Final answer
    x = 245,045.35

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