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Finding the Fourth Proportional to 354,202.20, 531,254.70 and 117,520.20

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Solution

The fourth proportional to 354,202.20, 531,254.70 and 117,520.20 is: 176,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,202.20 : 531,254.70 = 117,520.20 : x
  2. Step 2: Convert to fraction form
    354,202.20/531,254.70 = 117,520.20/x
  3. Step 3: Cross multiply
    354,202.20x = 531,254.70 × 117,520.20
  4. Step 4: Simplify right side
    354,202.20x = 62,433,158,594.94
  5. Step 5: Solve for x
    x = 62,433,158,594.94/354,202.20
  6. Step 6: Final answer
    x = 176,264.18

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