Home / 455,193.01-682,789.43-135,343.58

Finding the Fourth Proportional to 455,193.01, 682,789.43 and 135,343.58

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Solution

The fourth proportional to 455,193.01, 682,789.43 and 135,343.58 is: 203,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,193.01 : 682,789.43 = 135,343.58 : x
  2. Step 2: Convert to fraction form
    455,193.01/682,789.43 = 135,343.58/x
  3. Step 3: Cross multiply
    455,193.01x = 682,789.43 × 135,343.58
  4. Step 4: Simplify right side
    455,193.01x = 92,411,163,921.54
  5. Step 5: Solve for x
    x = 92,411,163,921.54/455,193.01
  6. Step 6: Final answer
    x = 203,015.34

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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.