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Finding the Fourth Proportional to 270,692.20, 406,038.30 and 186,711.40

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Solution

The fourth proportional to 270,692.20, 406,038.30 and 186,711.40 is: 280,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,692.20 : 406,038.30 = 186,711.40 : x
  2. Step 2: Convert to fraction form
    270,692.20/406,038.30 = 186,711.40/x
  3. Step 3: Cross multiply
    270,692.20x = 406,038.30 × 186,711.40
  4. Step 4: Simplify right side
    270,692.20x = 75,811,979,446.62
  5. Step 5: Solve for x
    x = 75,811,979,446.62/270,692.20
  6. Step 6: Final answer
    x = 280,067.10

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