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Finding the Fourth Proportional to 306,865.78, 458,228.25 and 250,818.64

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Solution

The fourth proportional to 306,865.78, 458,228.25 and 250,818.64 is: 374,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,865.78 : 458,228.25 = 250,818.64 : x
  2. Step 2: Convert to fraction form
    306,865.78/458,228.25 = 250,818.64/x
  3. Step 3: Cross multiply
    306,865.78x = 458,228.25 × 250,818.64
  4. Step 4: Simplify right side
    306,865.78x = 114,932,186,474.58
  5. Step 5: Solve for x
    x = 114,932,186,474.58/306,865.78
  6. Step 6: Final answer
    x = 374,535.69

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