Home / 284,819.80-427,439.97-135,060.59

Finding the Fourth Proportional to 284,819.80, 427,439.97 and 135,060.59

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Solution

The fourth proportional to 284,819.80, 427,439.97 and 135,060.59 is: 202,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,819.80 : 427,439.97 = 135,060.59 : x
  2. Step 2: Convert to fraction form
    284,819.80/427,439.97 = 135,060.59/x
  3. Step 3: Cross multiply
    284,819.80x = 427,439.97 × 135,060.59
  4. Step 4: Simplify right side
    284,819.80x = 57,730,292,400.58
  5. Step 5: Solve for x
    x = 57,730,292,400.58/284,819.80
  6. Step 6: Final answer
    x = 202,690.59

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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.