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Finding the Fourth Proportional to 432,240.12, 648,309.12 and 116,721.60

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Solution

The fourth proportional to 432,240.12, 648,309.12 and 116,721.60 is: 175,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,240.12 : 648,309.12 = 116,721.60 : x
  2. Step 2: Convert to fraction form
    432,240.12/648,309.12 = 116,721.60/x
  3. Step 3: Cross multiply
    432,240.12x = 648,309.12 × 116,721.60
  4. Step 4: Simplify right side
    432,240.12x = 75,671,677,780.99
  5. Step 5: Solve for x
    x = 75,671,677,780.99/432,240.12
  6. Step 6: Final answer
    x = 175,068.61

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