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Finding the Fourth Proportional to 441,616.60, 662,522.64 and 161,133.04

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Solution

The fourth proportional to 441,616.60, 662,522.64 and 161,133.04 is: 241,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,616.60 : 662,522.64 = 161,133.04 : x
  2. Step 2: Convert to fraction form
    441,616.60/662,522.64 = 161,133.04/x
  3. Step 3: Cross multiply
    441,616.60x = 662,522.64 × 161,133.04
  4. Step 4: Simplify right side
    441,616.60x = 106,754,287,052.03
  5. Step 5: Solve for x
    x = 106,754,287,052.03/441,616.60
  6. Step 6: Final answer
    x = 241,735.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.