Home / 221,044.26-331,664.40-115,838.22

Finding the Fourth Proportional to 221,044.26, 331,664.40 and 115,838.22

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Solution

The fourth proportional to 221,044.26, 331,664.40 and 115,838.22 is: 173,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,044.26 : 331,664.40 = 115,838.22 : x
  2. Step 2: Convert to fraction form
    221,044.26/331,664.40 = 115,838.22/x
  3. Step 3: Cross multiply
    221,044.26x = 331,664.40 × 115,838.22
  4. Step 4: Simplify right side
    221,044.26x = 38,419,413,733.37
  5. Step 5: Solve for x
    x = 38,419,413,733.37/221,044.26
  6. Step 6: Final answer
    x = 173,808.69

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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.