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Finding the Fourth Proportional to 368,778.51, 553,262.84 and 200,255.58

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Solution

The fourth proportional to 368,778.51, 553,262.84 and 200,255.58 is: 300,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,778.51 : 553,262.84 = 200,255.58 : x
  2. Step 2: Convert to fraction form
    368,778.51/553,262.84 = 200,255.58/x
  3. Step 3: Cross multiply
    368,778.51x = 553,262.84 × 200,255.58
  4. Step 4: Simplify right side
    368,778.51x = 110,793,970,916.65
  5. Step 5: Solve for x
    x = 110,793,970,916.65/368,778.51
  6. Step 6: Final answer
    x = 300,435.00

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