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Finding the Fourth Proportional to 180,930.60, 271,395.90 and 173,251.80

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Solution

The fourth proportional to 180,930.60, 271,395.90 and 173,251.80 is: 259,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,930.60 : 271,395.90 = 173,251.80 : x
  2. Step 2: Convert to fraction form
    180,930.60/271,395.90 = 173,251.80/x
  3. Step 3: Cross multiply
    180,930.60x = 271,395.90 × 173,251.80
  4. Step 4: Simplify right side
    180,930.60x = 47,019,828,187.62
  5. Step 5: Solve for x
    x = 47,019,828,187.62/180,930.60
  6. Step 6: Final answer
    x = 259,877.70

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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.