Home / 330,112.92-455,556.28-179,209.92

Finding the Fourth Proportional to 330,112.92, 455,556.28 and 179,209.92

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Solution

The fourth proportional to 330,112.92, 455,556.28 and 179,209.92 is: 247,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,112.92 : 455,556.28 = 179,209.92 : x
  2. Step 2: Convert to fraction form
    330,112.92/455,556.28 = 179,209.92/x
  3. Step 3: Cross multiply
    330,112.92x = 455,556.28 × 179,209.92
  4. Step 4: Simplify right side
    330,112.92x = 81,640,204,494.30
  5. Step 5: Solve for x
    x = 81,640,204,494.30/330,112.92
  6. Step 6: Final answer
    x = 247,309.93

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1.5x scale

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.