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Finding the Fourth Proportional to 396,301.20, 594,451.80 and 130,070.40

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Solution

The fourth proportional to 396,301.20, 594,451.80 and 130,070.40 is: 195,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,301.20 : 594,451.80 = 130,070.40 : x
  2. Step 2: Convert to fraction form
    396,301.20/594,451.80 = 130,070.40/x
  3. Step 3: Cross multiply
    396,301.20x = 594,451.80 × 130,070.40
  4. Step 4: Simplify right side
    396,301.20x = 77,320,583,406.72
  5. Step 5: Solve for x
    x = 77,320,583,406.72/396,301.20
  6. Step 6: Final answer
    x = 195,105.60

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