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Finding the Fourth Proportional to 323,009.85, 445,749.15 and 179,769.87

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Solution

The fourth proportional to 323,009.85, 445,749.15 and 179,769.87 is: 248,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,009.85 : 445,749.15 = 179,769.87 : x
  2. Step 2: Convert to fraction form
    323,009.85/445,749.15 = 179,769.87/x
  3. Step 3: Cross multiply
    323,009.85x = 445,749.15 × 179,769.87
  4. Step 4: Simplify right side
    323,009.85x = 80,132,266,748.11
  5. Step 5: Solve for x
    x = 80,132,266,748.11/323,009.85
  6. Step 6: Final answer
    x = 248,079.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.