Home / 451,914.72-677,889.76-136,371.68

Finding the Fourth Proportional to 451,914.72, 677,889.76 and 136,371.68

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Solution

The fourth proportional to 451,914.72, 677,889.76 and 136,371.68 is: 204,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,914.72 : 677,889.76 = 136,371.68 : x
  2. Step 2: Convert to fraction form
    451,914.72/677,889.76 = 136,371.68/x
  3. Step 3: Cross multiply
    451,914.72x = 677,889.76 × 136,371.68
  4. Step 4: Simplify right side
    451,914.72x = 92,444,965,426.00
  5. Step 5: Solve for x
    x = 92,444,965,426.00/451,914.72
  6. Step 6: Final answer
    x = 204,562.86

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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.