Home / 330,286.90-455,778.93-179,383.54

Finding the Fourth Proportional to 330,286.90, 455,778.93 and 179,383.54

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Solution

The fourth proportional to 330,286.90, 455,778.93 and 179,383.54 is: 247,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,286.90 : 455,778.93 = 179,383.54 : x
  2. Step 2: Convert to fraction form
    330,286.90/455,778.93 = 179,383.54/x
  3. Step 3: Cross multiply
    330,286.90x = 455,778.93 × 179,383.54
  4. Step 4: Simplify right side
    330,286.90x = 81,759,237,920.81
  5. Step 5: Solve for x
    x = 81,759,237,920.81/330,286.90
  6. Step 6: Final answer
    x = 247,540.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.