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Finding the Fourth Proportional to 80,252.80, 120,398.40 and 33,479.68

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Solution

The fourth proportional to 80,252.80, 120,398.40 and 33,479.68 is: 50,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,252.80 : 120,398.40 = 33,479.68 : x
  2. Step 2: Convert to fraction form
    80,252.80/120,398.40 = 33,479.68/x
  3. Step 3: Cross multiply
    80,252.80x = 120,398.40 × 33,479.68
  4. Step 4: Simplify right side
    80,252.80x = 4,030,899,904.51
  5. Step 5: Solve for x
    x = 4,030,899,904.51/80,252.80
  6. Step 6: Final answer
    x = 50,227.53

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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.