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Finding the Fourth Proportional to 353,477.20, 530,215.80 and 166,853.20

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Solution

The fourth proportional to 353,477.20, 530,215.80 and 166,853.20 is: 250,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,477.20 : 530,215.80 = 166,853.20 : x
  2. Step 2: Convert to fraction form
    353,477.20/530,215.80 = 166,853.20/x
  3. Step 3: Cross multiply
    353,477.20x = 530,215.80 × 166,853.20
  4. Step 4: Simplify right side
    353,477.20x = 88,468,202,920.56
  5. Step 5: Solve for x
    x = 88,468,202,920.56/353,477.20
  6. Step 6: Final answer
    x = 250,279.80

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