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Finding the Fourth Proportional to 225,518.07, 337,917.28 and 165,267.33

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Solution

The fourth proportional to 225,518.07, 337,917.28 and 165,267.33 is: 247,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,518.07 : 337,917.28 = 165,267.33 : x
  2. Step 2: Convert to fraction form
    225,518.07/337,917.28 = 165,267.33/x
  3. Step 3: Cross multiply
    225,518.07x = 337,917.28 × 165,267.33
  4. Step 4: Simplify right side
    225,518.07x = 55,846,687,156.77
  5. Step 5: Solve for x
    x = 55,846,687,156.77/225,518.07
  6. Step 6: Final answer
    x = 247,637.30

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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.