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Finding the Fourth Proportional to 354,615.60, 531,923.40 and 144,404.40

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Solution

The fourth proportional to 354,615.60, 531,923.40 and 144,404.40 is: 216,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,615.60 : 531,923.40 = 144,404.40 : x
  2. Step 2: Convert to fraction form
    354,615.60/531,923.40 = 144,404.40/x
  3. Step 3: Cross multiply
    354,615.60x = 531,923.40 × 144,404.40
  4. Step 4: Simplify right side
    354,615.60x = 76,812,079,422.96
  5. Step 5: Solve for x
    x = 76,812,079,422.96/354,615.60
  6. Step 6: Final answer
    x = 216,606.60

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