Home / 455,195.10-682,883.78-135,346.35

Finding the Fourth Proportional to 455,195.10, 682,883.78 and 135,346.35

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Solution

The fourth proportional to 455,195.10, 682,883.78 and 135,346.35 is: 203,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,195.10 : 682,883.78 = 135,346.35 : x
  2. Step 2: Convert to fraction form
    455,195.10/682,883.78 = 135,346.35/x
  3. Step 3: Cross multiply
    455,195.10x = 682,883.78 × 135,346.35
  4. Step 4: Simplify right side
    455,195.10x = 92,425,826,420.47
  5. Step 5: Solve for x
    x = 92,425,826,420.47/455,195.10
  6. Step 6: Final answer
    x = 203,046.62

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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.