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Finding the Fourth Proportional to 362,416.80, 543,106.80 and 266,901.60

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Solution

The fourth proportional to 362,416.80, 543,106.80 and 266,901.60 is: 399,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,416.80 : 543,106.80 = 266,901.60 : x
  2. Step 2: Convert to fraction form
    362,416.80/543,106.80 = 266,901.60/x
  3. Step 3: Cross multiply
    362,416.80x = 543,106.80 × 266,901.60
  4. Step 4: Simplify right side
    362,416.80x = 144,956,073,890.88
  5. Step 5: Solve for x
    x = 144,956,073,890.88/362,416.80
  6. Step 6: Final answer
    x = 399,970.62

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