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Finding the Fourth Proportional to 562,436.26, 843,778.32 and 163,093.70

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Solution

The fourth proportional to 562,436.26, 843,778.32 and 163,093.70 is: 244,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,436.26 : 843,778.32 = 163,093.70 : x
  2. Step 2: Convert to fraction form
    562,436.26/843,778.32 = 163,093.70/x
  3. Step 3: Cross multiply
    562,436.26x = 843,778.32 × 163,093.70
  4. Step 4: Simplify right side
    562,436.26x = 137,614,928,188.58
  5. Step 5: Solve for x
    x = 137,614,928,188.58/562,436.26
  6. Step 6: Final answer
    x = 244,676.49

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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.