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Finding the Fourth Proportional to 441,596.16, 662,398.56 and 109,172.16

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Solution

The fourth proportional to 441,596.16, 662,398.56 and 109,172.16 is: 163,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,596.16 : 662,398.56 = 109,172.16 : x
  2. Step 2: Convert to fraction form
    441,596.16/662,398.56 = 109,172.16/x
  3. Step 3: Cross multiply
    441,596.16x = 662,398.56 × 109,172.16
  4. Step 4: Simplify right side
    441,596.16x = 72,315,481,576.09
  5. Step 5: Solve for x
    x = 72,315,481,576.09/441,596.16
  6. Step 6: Final answer
    x = 163,759.31

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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.