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Finding the Fourth Proportional to 357,137.20, 535,327.80 and 132,353.20

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Solution

The fourth proportional to 357,137.20, 535,327.80 and 132,353.20 is: 198,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,137.20 : 535,327.80 = 132,353.20 : x
  2. Step 2: Convert to fraction form
    357,137.20/535,327.80 = 132,353.20/x
  3. Step 3: Cross multiply
    357,137.20x = 535,327.80 × 132,353.20
  4. Step 4: Simplify right side
    357,137.20x = 70,852,347,378.96
  5. Step 5: Solve for x
    x = 70,852,347,378.96/357,137.20
  6. Step 6: Final answer
    x = 198,389.72

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