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Finding the Fourth Proportional to 202,372.29, 279,269.39 and 110,488.43

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Solution

The fourth proportional to 202,372.29, 279,269.39 and 110,488.43 is: 152,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,372.29 : 279,269.39 = 110,488.43 : x
  2. Step 2: Convert to fraction form
    202,372.29/279,269.39 = 110,488.43/x
  3. Step 3: Cross multiply
    202,372.29x = 279,269.39 × 110,488.43
  4. Step 4: Simplify right side
    202,372.29x = 30,856,037,422.55
  5. Step 5: Solve for x
    x = 30,856,037,422.55/202,372.29
  6. Step 6: Final answer
    x = 152,471.65

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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.