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Finding the Fourth Proportional to 269,566.20, 404,276.40 and 80,026.20

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Solution

The fourth proportional to 269,566.20, 404,276.40 and 80,026.20 is: 120,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,566.20 : 404,276.40 = 80,026.20 : x
  2. Step 2: Convert to fraction form
    269,566.20/404,276.40 = 80,026.20/x
  3. Step 3: Cross multiply
    269,566.20x = 404,276.40 × 80,026.20
  4. Step 4: Simplify right side
    269,566.20x = 32,352,704,041.68
  5. Step 5: Solve for x
    x = 32,352,704,041.68/269,566.20
  6. Step 6: Final answer
    x = 120,017.66

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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.