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Finding the Fourth Proportional to 295,320.80, 442,981.20 and 168,831.20

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Solution

The fourth proportional to 295,320.80, 442,981.20 and 168,831.20 is: 253,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,320.80 : 442,981.20 = 168,831.20 : x
  2. Step 2: Convert to fraction form
    295,320.80/442,981.20 = 168,831.20/x
  3. Step 3: Cross multiply
    295,320.80x = 442,981.20 × 168,831.20
  4. Step 4: Simplify right side
    295,320.80x = 74,789,047,573.44
  5. Step 5: Solve for x
    x = 74,789,047,573.44/295,320.80
  6. Step 6: Final answer
    x = 253,246.80

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