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Finding the Fourth Proportional to 562,630, 843,945 and 168,646

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Solution

The fourth proportional to 562,630, 843,945 and 168,646 is: 252,969

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,630 : 843,945 = 168,646 : x
  2. Step 2: Convert to fraction form
    562,630/843,945 = 168,646/x
  3. Step 3: Cross multiply
    562,630x = 843,945 × 168,646
  4. Step 4: Simplify right side
    562,630x = 142,327,948,470
  5. Step 5: Solve for x
    x = 142,327,948,470/562,630
  6. Step 6: Final answer
    x = 252,969

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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.