Home / 304,919.82-457,338.21-80,261.44

Finding the Fourth Proportional to 304,919.82, 457,338.21 and 80,261.44

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Solution

The fourth proportional to 304,919.82, 457,338.21 and 80,261.44 is: 120,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,919.82 : 457,338.21 = 80,261.44 : x
  2. Step 2: Convert to fraction form
    304,919.82/457,338.21 = 80,261.44/x
  3. Step 3: Cross multiply
    304,919.82x = 457,338.21 × 80,261.44
  4. Step 4: Simplify right side
    304,919.82x = 36,706,623,301.62
  5. Step 5: Solve for x
    x = 36,706,623,301.62/304,919.82
  6. Step 6: Final answer
    x = 120,381.23

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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.