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Finding the Fourth Proportional to 279,821.52, 386,143.92 and 152,494.56

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Solution

The fourth proportional to 279,821.52, 386,143.92 and 152,494.56 is: 210,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,821.52 : 386,143.92 = 152,494.56 : x
  2. Step 2: Convert to fraction form
    279,821.52/386,143.92 = 152,494.56/x
  3. Step 3: Cross multiply
    279,821.52x = 386,143.92 × 152,494.56
  4. Step 4: Simplify right side
    279,821.52x = 58,884,847,177.08
  5. Step 5: Solve for x
    x = 58,884,847,177.08/279,821.52
  6. Step 6: Final answer
    x = 210,437.16

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