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Finding the Fourth Proportional to 312,030.26, 430,601.41 and 168,789.95

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Solution

The fourth proportional to 312,030.26, 430,601.41 and 168,789.95 is: 232,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,030.26 : 430,601.41 = 168,789.95 : x
  2. Step 2: Convert to fraction form
    312,030.26/430,601.41 = 168,789.95/x
  3. Step 3: Cross multiply
    312,030.26x = 430,601.41 × 168,789.95
  4. Step 4: Simplify right side
    312,030.26x = 72,681,190,463.83
  5. Step 5: Solve for x
    x = 72,681,190,463.83/312,030.26
  6. Step 6: Final answer
    x = 232,929.94

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