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Finding the Fourth Proportional to 184,589.40, 276,884.10 and 125,540.40

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Solution

The fourth proportional to 184,589.40, 276,884.10 and 125,540.40 is: 188,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,589.40 : 276,884.10 = 125,540.40 : x
  2. Step 2: Convert to fraction form
    184,589.40/276,884.10 = 125,540.40/x
  3. Step 3: Cross multiply
    184,589.40x = 276,884.10 × 125,540.40
  4. Step 4: Simplify right side
    184,589.40x = 34,760,140,667.64
  5. Step 5: Solve for x
    x = 34,760,140,667.64/184,589.40
  6. Step 6: Final answer
    x = 188,310.60

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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.