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Finding the Fourth Proportional to 330,273.54, 455,774.91 and 179,370.54

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Solution

The fourth proportional to 330,273.54, 455,774.91 and 179,370.54 is: 247,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,273.54 : 455,774.91 = 179,370.54 : x
  2. Step 2: Convert to fraction form
    330,273.54/455,774.91 = 179,370.54/x
  3. Step 3: Cross multiply
    330,273.54x = 455,774.91 × 179,370.54
  4. Step 4: Simplify right side
    330,273.54x = 81,752,591,725.15
  5. Step 5: Solve for x
    x = 81,752,591,725.15/330,273.54
  6. Step 6: Final answer
    x = 247,529.95

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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.