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Finding the Fourth Proportional to 191,279.52, 263,808.58 and 169,785

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Solution

The fourth proportional to 191,279.52, 263,808.58 and 169,785 is: 234,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,279.52 : 263,808.58 = 169,785 : x
  2. Step 2: Convert to fraction form
    191,279.52/263,808.58 = 169,785/x
  3. Step 3: Cross multiply
    191,279.52x = 263,808.58 × 169,785
  4. Step 4: Simplify right side
    191,279.52x = 44,790,739,755.30
  5. Step 5: Solve for x
    x = 44,790,739,755.30/191,279.52
  6. Step 6: Final answer
    x = 234,163.80

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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.