Home / 205,408.11-308,228.21-110,636.29

Finding the Fourth Proportional to 205,408.11, 308,228.21 and 110,636.29

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Solution

The fourth proportional to 205,408.11, 308,228.21 and 110,636.29 is: 166,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,408.11 : 308,228.21 = 110,636.29 : x
  2. Step 2: Convert to fraction form
    205,408.11/308,228.21 = 110,636.29/x
  3. Step 3: Cross multiply
    205,408.11x = 308,228.21 × 110,636.29
  4. Step 4: Simplify right side
    205,408.11x = 34,101,225,627.74
  5. Step 5: Solve for x
    x = 34,101,225,627.74/205,408.11
  6. Step 6: Final answer
    x = 166,016.94

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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.