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Finding the Fourth Proportional to 179,447.35, 269,171.43 and 168,486.43

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Solution

The fourth proportional to 179,447.35, 269,171.43 and 168,486.43 is: 252,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,447.35 : 269,171.43 = 168,486.43 : x
  2. Step 2: Convert to fraction form
    179,447.35/269,171.43 = 168,486.43/x
  3. Step 3: Cross multiply
    179,447.35x = 269,171.43 × 168,486.43
  4. Step 4: Simplify right side
    179,447.35x = 45,351,733,298.69
  5. Step 5: Solve for x
    x = 45,351,733,298.69/179,447.35
  6. Step 6: Final answer
    x = 252,730.03

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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.