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Finding the Fourth Proportional to 182,434.60, 273,651.90 and 115,949.80

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Solution

The fourth proportional to 182,434.60, 273,651.90 and 115,949.80 is: 173,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,434.60 : 273,651.90 = 115,949.80 : x
  2. Step 2: Convert to fraction form
    182,434.60/273,651.90 = 115,949.80/x
  3. Step 3: Cross multiply
    182,434.60x = 273,651.90 × 115,949.80
  4. Step 4: Simplify right side
    182,434.60x = 31,729,883,074.62
  5. Step 5: Solve for x
    x = 31,729,883,074.62/182,434.60
  6. Step 6: Final answer
    x = 173,924.70

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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.