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Finding the Fourth Proportional to 262,130.80, 393,487.80 and 162,403.60

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Solution

The fourth proportional to 262,130.80, 393,487.80 and 162,403.60 is: 243,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,130.80 : 393,487.80 = 162,403.60 : x
  2. Step 2: Convert to fraction form
    262,130.80/393,487.80 = 162,403.60/x
  3. Step 3: Cross multiply
    262,130.80x = 393,487.80 × 162,403.60
  4. Step 4: Simplify right side
    262,130.80x = 63,903,835,276.08
  5. Step 5: Solve for x
    x = 63,903,835,276.08/262,130.80
  6. Step 6: Final answer
    x = 243,786.06

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