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Finding the Fourth Proportional to 316,443.76, 436,692.92 and 173,212.88

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Solution

The fourth proportional to 316,443.76, 436,692.92 and 173,212.88 is: 239,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,443.76 : 436,692.92 = 173,212.88 : x
  2. Step 2: Convert to fraction form
    316,443.76/436,692.92 = 173,212.88/x
  3. Step 3: Cross multiply
    316,443.76x = 436,692.92 × 173,212.88
  4. Step 4: Simplify right side
    316,443.76x = 75,640,838,348.81
  5. Step 5: Solve for x
    x = 75,640,838,348.81/316,443.76
  6. Step 6: Final answer
    x = 239,034.07

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