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Finding the Fourth Proportional to 338,890.28, 508,339.07 and 102,235.01

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Solution

The fourth proportional to 338,890.28, 508,339.07 and 102,235.01 is: 153,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,890.28 : 508,339.07 = 102,235.01 : x
  2. Step 2: Convert to fraction form
    338,890.28/508,339.07 = 102,235.01/x
  3. Step 3: Cross multiply
    338,890.28x = 508,339.07 × 102,235.01
  4. Step 4: Simplify right side
    338,890.28x = 51,970,049,904.84
  5. Step 5: Solve for x
    x = 51,970,049,904.84/338,890.28
  6. Step 6: Final answer
    x = 153,353.62

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