Home / 442,787.77-664,181.25-189,904.96

Finding the Fourth Proportional to 442,787.77, 664,181.25 and 189,904.96

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Solution

The fourth proportional to 442,787.77, 664,181.25 and 189,904.96 is: 284,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,787.77 : 664,181.25 = 189,904.96 : x
  2. Step 2: Convert to fraction form
    442,787.77/664,181.25 = 189,904.96/x
  3. Step 3: Cross multiply
    442,787.77x = 664,181.25 × 189,904.96
  4. Step 4: Simplify right side
    442,787.77x = 126,131,313,714
  5. Step 5: Solve for x
    x = 126,131,313,714/442,787.77
  6. Step 6: Final answer
    x = 284,857.27

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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.