Home / 330,132.76-455,588.22-179,229.76

Finding the Fourth Proportional to 330,132.76, 455,588.22 and 179,229.76

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Solution

The fourth proportional to 330,132.76, 455,588.22 and 179,229.76 is: 247,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,132.76 : 455,588.22 = 179,229.76 : x
  2. Step 2: Convert to fraction form
    330,132.76/455,588.22 = 179,229.76/x
  3. Step 3: Cross multiply
    330,132.76x = 455,588.22 × 179,229.76
  4. Step 4: Simplify right side
    330,132.76x = 81,654,967,329.43
  5. Step 5: Solve for x
    x = 81,654,967,329.43/330,132.76
  6. Step 6: Final answer
    x = 247,339.79

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Double scale
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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.