Home / 300,882.11-415,279.04-173,540.39

Finding the Fourth Proportional to 300,882.11, 415,279.04 and 173,540.39

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Solution

The fourth proportional to 300,882.11, 415,279.04 and 173,540.39 is: 239,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,882.11 : 415,279.04 = 173,540.39 : x
  2. Step 2: Convert to fraction form
    300,882.11/415,279.04 = 173,540.39/x
  3. Step 3: Cross multiply
    300,882.11x = 415,279.04 × 173,540.39
  4. Step 4: Simplify right side
    300,882.11x = 72,067,683,616.33
  5. Step 5: Solve for x
    x = 72,067,683,616.33/300,882.11
  6. Step 6: Final answer
    x = 239,521.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.