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Finding the Fourth Proportional to 220,498.80, 330,748.20 and 160,720.80

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Solution

The fourth proportional to 220,498.80, 330,748.20 and 160,720.80 is: 241,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,498.80 : 330,748.20 = 160,720.80 : x
  2. Step 2: Convert to fraction form
    220,498.80/330,748.20 = 160,720.80/x
  3. Step 3: Cross multiply
    220,498.80x = 330,748.20 × 160,720.80
  4. Step 4: Simplify right side
    220,498.80x = 53,158,115,302.56
  5. Step 5: Solve for x
    x = 53,158,115,302.56/220,498.80
  6. Step 6: Final answer
    x = 241,081.20

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