Home / 284,822.43-427,443.90-135,063.23

Finding the Fourth Proportional to 284,822.43, 427,443.90 and 135,063.23

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Solution

The fourth proportional to 284,822.43, 427,443.90 and 135,063.23 is: 202,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,822.43 : 427,443.90 = 135,063.23 : x
  2. Step 2: Convert to fraction form
    284,822.43/427,443.90 = 135,063.23/x
  3. Step 3: Cross multiply
    284,822.43x = 427,443.90 × 135,063.23
  4. Step 4: Simplify right side
    284,822.43x = 57,731,951,640.58
  5. Step 5: Solve for x
    x = 57,731,951,640.58/284,822.43
  6. Step 6: Final answer
    x = 202,694.54

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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.