Home / 551,787.30-827,342.22-214,434.05

Finding the Fourth Proportional to 551,787.30, 827,342.22 and 214,434.05

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Solution

The fourth proportional to 551,787.30, 827,342.22 and 214,434.05 is: 321,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,787.30 : 827,342.22 = 214,434.05 : x
  2. Step 2: Convert to fraction form
    551,787.30/827,342.22 = 214,434.05/x
  3. Step 3: Cross multiply
    551,787.30x = 827,342.22 × 214,434.05
  4. Step 4: Simplify right side
    551,787.30x = 177,410,338,833.88
  5. Step 5: Solve for x
    x = 177,410,338,833.88/551,787.30
  6. Step 6: Final answer
    x = 321,519.43

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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.