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Finding the Fourth Proportional to 388,859.60, 583,289.40 and 167,243.60

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Solution

The fourth proportional to 388,859.60, 583,289.40 and 167,243.60 is: 250,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,859.60 : 583,289.40 = 167,243.60 : x
  2. Step 2: Convert to fraction form
    388,859.60/583,289.40 = 167,243.60/x
  3. Step 3: Cross multiply
    388,859.60x = 583,289.40 × 167,243.60
  4. Step 4: Simplify right side
    388,859.60x = 97,551,419,097.84
  5. Step 5: Solve for x
    x = 97,551,419,097.84/388,859.60
  6. Step 6: Final answer
    x = 250,865.40

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