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Finding the Fourth Proportional to 354,815.20, 532,222.80 and 105,464.80

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Solution

The fourth proportional to 354,815.20, 532,222.80 and 105,464.80 is: 158,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,815.20 : 532,222.80 = 105,464.80 : x
  2. Step 2: Convert to fraction form
    354,815.20/532,222.80 = 105,464.80/x
  3. Step 3: Cross multiply
    354,815.20x = 532,222.80 × 105,464.80
  4. Step 4: Simplify right side
    354,815.20x = 56,130,771,157.44
  5. Step 5: Solve for x
    x = 56,130,771,157.44/354,815.20
  6. Step 6: Final answer
    x = 158,197.20

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