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Finding the Fourth Proportional to 310,821.68, 428,933.25 and 174,855.71

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Solution

The fourth proportional to 310,821.68, 428,933.25 and 174,855.71 is: 241,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,821.68 : 428,933.25 = 174,855.71 : x
  2. Step 2: Convert to fraction form
    310,821.68/428,933.25 = 174,855.71/x
  3. Step 3: Cross multiply
    310,821.68x = 428,933.25 × 174,855.71
  4. Step 4: Simplify right side
    310,821.68x = 75,001,427,971.36
  5. Step 5: Solve for x
    x = 75,001,427,971.36/310,821.68
  6. Step 6: Final answer
    x = 241,300.50

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