Home / 307,447.98-458,115.49-273,910.33

Finding the Fourth Proportional to 307,447.98, 458,115.49 and 273,910.33

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Solution

The fourth proportional to 307,447.98, 458,115.49 and 273,910.33 is: 408,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,447.98 : 458,115.49 = 273,910.33 : x
  2. Step 2: Convert to fraction form
    307,447.98/458,115.49 = 273,910.33/x
  3. Step 3: Cross multiply
    307,447.98x = 458,115.49 × 273,910.33
  4. Step 4: Simplify right side
    307,447.98x = 125,482,565,044.01
  5. Step 5: Solve for x
    x = 125,482,565,044.01/307,447.98
  6. Step 6: Final answer
    x = 408,142.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.