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Finding the Fourth Proportional to 393,568.40, 590,644.20 and 157,080.80

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Solution

The fourth proportional to 393,568.40, 590,644.20 and 157,080.80 is: 235,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,568.40 : 590,644.20 = 157,080.80 : x
  2. Step 2: Convert to fraction form
    393,568.40/590,644.20 = 157,080.80/x
  3. Step 3: Cross multiply
    393,568.40x = 590,644.20 × 157,080.80
  4. Step 4: Simplify right side
    393,568.40x = 92,778,863,451.36
  5. Step 5: Solve for x
    x = 92,778,863,451.36/393,568.40
  6. Step 6: Final answer
    x = 235,737.58

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