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Finding the Fourth Proportional to 326,269.60, 489,404.40 and 113,037.10

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Solution

The fourth proportional to 326,269.60, 489,404.40 and 113,037.10 is: 169,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,269.60 : 489,404.40 = 113,037.10 : x
  2. Step 2: Convert to fraction form
    326,269.60/489,404.40 = 113,037.10/x
  3. Step 3: Cross multiply
    326,269.60x = 489,404.40 × 113,037.10
  4. Step 4: Simplify right side
    326,269.60x = 55,320,854,103.24
  5. Step 5: Solve for x
    x = 55,320,854,103.24/326,269.60
  6. Step 6: Final answer
    x = 169,555.65

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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.