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Finding the Fourth Proportional to 269,817.60, 404,655.90 and 80,226.92

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Solution

The fourth proportional to 269,817.60, 404,655.90 and 80,226.92 is: 120,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,817.60 : 404,655.90 = 80,226.92 : x
  2. Step 2: Convert to fraction form
    269,817.60/404,655.90 = 80,226.92/x
  3. Step 3: Cross multiply
    269,817.60x = 404,655.90 × 80,226.92
  4. Step 4: Simplify right side
    269,817.60x = 32,464,296,516.83
  5. Step 5: Solve for x
    x = 32,464,296,516.83/269,817.60
  6. Step 6: Final answer
    x = 120,319.42

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1.5x scale

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.