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Finding the Fourth Proportional to 357,816.68, 536,520.89 and 147,203.72

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Solution

The fourth proportional to 357,816.68, 536,520.89 and 147,203.72 is: 220,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,816.68 : 536,520.89 = 147,203.72 : x
  2. Step 2: Convert to fraction form
    357,816.68/536,520.89 = 147,203.72/x
  3. Step 3: Cross multiply
    357,816.68x = 536,520.89 × 147,203.72
  4. Step 4: Simplify right side
    357,816.68x = 78,977,867,447.09
  5. Step 5: Solve for x
    x = 78,977,867,447.09/357,816.68
  6. Step 6: Final answer
    x = 220,721.60

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