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Finding the Fourth Proportional to 562,756, 844,134 and 168,772

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Solution

The fourth proportional to 562,756, 844,134 and 168,772 is: 253,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,756 : 844,134 = 168,772 : x
  2. Step 2: Convert to fraction form
    562,756/844,134 = 168,772/x
  3. Step 3: Cross multiply
    562,756x = 844,134 × 168,772
  4. Step 4: Simplify right side
    562,756x = 142,466,183,448
  5. Step 5: Solve for x
    x = 142,466,183,448/562,756
  6. Step 6: Final answer
    x = 253,158

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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.