Home / 221,046.09-331,309.44-102,467.85

Finding the Fourth Proportional to 221,046.09, 331,309.44 and 102,467.85

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Solution

The fourth proportional to 221,046.09, 331,309.44 and 102,467.85 is: 153,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,046.09 : 331,309.44 = 102,467.85 : x
  2. Step 2: Convert to fraction form
    221,046.09/331,309.44 = 102,467.85/x
  3. Step 3: Cross multiply
    221,046.09x = 331,309.44 × 102,467.85
  4. Step 4: Simplify right side
    221,046.09x = 33,948,566,001.50
  5. Step 5: Solve for x
    x = 33,948,566,001.50/221,046.09
  6. Step 6: Final answer
    x = 153,581.39

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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.