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Finding the Fourth Proportional to 280,258.43, 386,764.86 and 152,942.24

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Solution

The fourth proportional to 280,258.43, 386,764.86 and 152,942.24 is: 211,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,258.43 : 386,764.86 = 152,942.24 : x
  2. Step 2: Convert to fraction form
    280,258.43/386,764.86 = 152,942.24/x
  3. Step 3: Cross multiply
    280,258.43x = 386,764.86 × 152,942.24
  4. Step 4: Simplify right side
    280,258.43x = 59,152,684,041.69
  5. Step 5: Solve for x
    x = 59,152,684,041.69/280,258.43
  6. Step 6: Final answer
    x = 211,064.78

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