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Finding the Fourth Proportional to 325,831.40, 488,747.10 and 185,863.40

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Solution

The fourth proportional to 325,831.40, 488,747.10 and 185,863.40 is: 278,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,831.40 : 488,747.10 = 185,863.40 : x
  2. Step 2: Convert to fraction form
    325,831.40/488,747.10 = 185,863.40/x
  3. Step 3: Cross multiply
    325,831.40x = 488,747.10 × 185,863.40
  4. Step 4: Simplify right side
    325,831.40x = 90,840,197,746.14
  5. Step 5: Solve for x
    x = 90,840,197,746.14/325,831.40
  6. Step 6: Final answer
    x = 278,795.10

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