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Finding the Fourth Proportional to 180,392.60, 270,591.96 and 54,003.44

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Solution

The fourth proportional to 180,392.60, 270,591.96 and 54,003.44 is: 81,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,392.60 : 270,591.96 = 54,003.44 : x
  2. Step 2: Convert to fraction form
    180,392.60/270,591.96 = 54,003.44/x
  3. Step 3: Cross multiply
    180,392.60x = 270,591.96 × 54,003.44
  4. Step 4: Simplify right side
    180,392.60x = 14,612,896,676.34
  5. Step 5: Solve for x
    x = 14,612,896,676.34/180,392.60
  6. Step 6: Final answer
    x = 81,006.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.