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Finding the Fourth Proportional to 562,996.27, 844,841.02 and 221,379.58

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Solution

The fourth proportional to 562,996.27, 844,841.02 and 221,379.58 is: 332,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,996.27 : 844,841.02 = 221,379.58 : x
  2. Step 2: Convert to fraction form
    562,996.27/844,841.02 = 221,379.58/x
  3. Step 3: Cross multiply
    562,996.27x = 844,841.02 × 221,379.58
  4. Step 4: Simplify right side
    562,996.27x = 187,030,545,371.29
  5. Step 5: Solve for x
    x = 187,030,545,371.29/562,996.27
  6. Step 6: Final answer
    x = 332,205.66

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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.