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Finding the Fourth Proportional to 310,471.90, 428,412.84 and 179,671.99

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Solution

The fourth proportional to 310,471.90, 428,412.84 and 179,671.99 is: 247,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,471.90 : 428,412.84 = 179,671.99 : x
  2. Step 2: Convert to fraction form
    310,471.90/428,412.84 = 179,671.99/x
  3. Step 3: Cross multiply
    310,471.90x = 428,412.84 × 179,671.99
  4. Step 4: Simplify right side
    310,471.90x = 76,973,784,463.93
  5. Step 5: Solve for x
    x = 76,973,784,463.93/310,471.90
  6. Step 6: Final answer
    x = 247,925.12

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