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Finding the Fourth Proportional to 368,815.07, 508,911.84 and 205,470.47

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Solution

The fourth proportional to 368,815.07, 508,911.84 and 205,470.47 is: 283,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,815.07 : 508,911.84 = 205,470.47 : x
  2. Step 2: Convert to fraction form
    368,815.07/508,911.84 = 205,470.47/x
  3. Step 3: Cross multiply
    368,815.07x = 508,911.84 × 205,470.47
  4. Step 4: Simplify right side
    368,815.07x = 104,566,352,408.81
  5. Step 5: Solve for x
    x = 104,566,352,408.81/368,815.07
  6. Step 6: Final answer
    x = 283,519.74

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