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Finding the Fourth Proportional to 351,391.56, 484,723.62 and 208,011.88

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Solution

The fourth proportional to 351,391.56, 484,723.62 and 208,011.88 is: 286,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,391.56 : 484,723.62 = 208,011.88 : x
  2. Step 2: Convert to fraction form
    351,391.56/484,723.62 = 208,011.88/x
  3. Step 3: Cross multiply
    351,391.56x = 484,723.62 × 208,011.88
  4. Step 4: Simplify right side
    351,391.56x = 100,828,271,476.61
  5. Step 5: Solve for x
    x = 100,828,271,476.61/351,391.56
  6. Step 6: Final answer
    x = 286,939.94

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