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Finding the Fourth Proportional to 184,441.40, 276,443.40 and 165,633.20

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Solution

The fourth proportional to 184,441.40, 276,443.40 and 165,633.20 is: 248,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,441.40 : 276,443.40 = 165,633.20 : x
  2. Step 2: Convert to fraction form
    184,441.40/276,443.40 = 165,633.20/x
  3. Step 3: Cross multiply
    184,441.40x = 276,443.40 × 165,633.20
  4. Step 4: Simplify right side
    184,441.40x = 45,788,204,960.88
  5. Step 5: Solve for x
    x = 45,788,204,960.88/184,441.40
  6. Step 6: Final answer
    x = 248,253.40

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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.