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Finding the Fourth Proportional to 262,106.80, 393,451.80 and 162,379.60

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Solution

The fourth proportional to 262,106.80, 393,451.80 and 162,379.60 is: 243,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,106.80 : 393,451.80 = 162,379.60 : x
  2. Step 2: Convert to fraction form
    262,106.80/393,451.80 = 162,379.60/x
  3. Step 3: Cross multiply
    262,106.80x = 393,451.80 × 162,379.60
  4. Step 4: Simplify right side
    262,106.80x = 63,888,545,903.28
  5. Step 5: Solve for x
    x = 63,888,545,903.28/262,106.80
  6. Step 6: Final answer
    x = 243,750.05

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