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Finding the Fourth Proportional to 362,089.80, 543,134.70 and 228,245.40

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Solution

The fourth proportional to 362,089.80, 543,134.70 and 228,245.40 is: 342,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,089.80 : 543,134.70 = 228,245.40 : x
  2. Step 2: Convert to fraction form
    362,089.80/543,134.70 = 228,245.40/x
  3. Step 3: Cross multiply
    362,089.80x = 543,134.70 × 228,245.40
  4. Step 4: Simplify right side
    362,089.80x = 123,967,996,855.38
  5. Step 5: Solve for x
    x = 123,967,996,855.38/362,089.80
  6. Step 6: Final answer
    x = 342,368.10

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