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Finding the Fourth Proportional to 330,270.60, 455,778.72 and 179,367.60

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Solution

The fourth proportional to 330,270.60, 455,778.72 and 179,367.60 is: 247,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,270.60 : 455,778.72 = 179,367.60 : x
  2. Step 2: Convert to fraction form
    330,270.60/455,778.72 = 179,367.60/x
  3. Step 3: Cross multiply
    330,270.60x = 455,778.72 × 179,367.60
  4. Step 4: Simplify right side
    330,270.60x = 81,751,935,137.47
  5. Step 5: Solve for x
    x = 81,751,935,137.47/330,270.60
  6. Step 6: Final answer
    x = 247,530.16

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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.