Home / 455,258.37-682,758.39-135,397.35

Finding the Fourth Proportional to 455,258.37, 682,758.39 and 135,397.35

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Solution

The fourth proportional to 455,258.37, 682,758.39 and 135,397.35 is: 203,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,258.37 : 682,758.39 = 135,397.35 : x
  2. Step 2: Convert to fraction form
    455,258.37/682,758.39 = 135,397.35/x
  3. Step 3: Cross multiply
    455,258.37x = 682,758.39 × 135,397.35
  4. Step 4: Simplify right side
    455,258.37x = 92,443,676,696.27
  5. Step 5: Solve for x
    x = 92,443,676,696.27/455,258.37
  6. Step 6: Final answer
    x = 203,057.61

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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.