Home / 277,091.48-415,508.04-143,936

Finding the Fourth Proportional to 277,091.48, 415,508.04 and 143,936

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Solution

The fourth proportional to 277,091.48, 415,508.04 and 143,936 is: 215,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,091.48 : 415,508.04 = 143,936 : x
  2. Step 2: Convert to fraction form
    277,091.48/415,508.04 = 143,936/x
  3. Step 3: Cross multiply
    277,091.48x = 415,508.04 × 143,936
  4. Step 4: Simplify right side
    277,091.48x = 59,806,565,245.44
  5. Step 5: Solve for x
    x = 59,806,565,245.44/277,091.48
  6. Step 6: Final answer
    x = 215,836.90

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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.