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Finding the Fourth Proportional to 184,474.60, 276,711.90 and 117,989.80

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Solution

The fourth proportional to 184,474.60, 276,711.90 and 117,989.80 is: 176,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,474.60 : 276,711.90 = 117,989.80 : x
  2. Step 2: Convert to fraction form
    184,474.60/276,711.90 = 117,989.80/x
  3. Step 3: Cross multiply
    184,474.60x = 276,711.90 × 117,989.80
  4. Step 4: Simplify right side
    184,474.60x = 32,649,181,738.62
  5. Step 5: Solve for x
    x = 32,649,181,738.62/184,474.60
  6. Step 6: Final answer
    x = 176,984.70

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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.