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Finding the Fourth Proportional to 562,269.89, 843,405.03 and 162,910.94

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Solution

The fourth proportional to 562,269.89, 843,405.03 and 162,910.94 is: 244,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,269.89 : 843,405.03 = 162,910.94 : x
  2. Step 2: Convert to fraction form
    562,269.89/843,405.03 = 162,910.94/x
  3. Step 3: Cross multiply
    562,269.89x = 843,405.03 × 162,910.94
  4. Step 4: Simplify right side
    562,269.89x = 137,399,902,021.00
  5. Step 5: Solve for x
    x = 137,399,902,021.00/562,269.89
  6. Step 6: Final answer
    x = 244,366.46

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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.