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Finding the Fourth Proportional to 255,764.80, 383,647.20 and 224,660.80

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Solution

The fourth proportional to 255,764.80, 383,647.20 and 224,660.80 is: 336,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,764.80 : 383,647.20 = 224,660.80 : x
  2. Step 2: Convert to fraction form
    255,764.80/383,647.20 = 224,660.80/x
  3. Step 3: Cross multiply
    255,764.80x = 383,647.20 × 224,660.80
  4. Step 4: Simplify right side
    255,764.80x = 86,190,486,869.76
  5. Step 5: Solve for x
    x = 86,190,486,869.76/255,764.80
  6. Step 6: Final answer
    x = 336,991.20

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