Home / 277,874.57-415,670.07-221,824.15

Finding the Fourth Proportional to 277,874.57, 415,670.07 and 221,824.15

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Solution

The fourth proportional to 277,874.57, 415,670.07 and 221,824.15 is: 331,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,874.57 : 415,670.07 = 221,824.15 : x
  2. Step 2: Convert to fraction form
    277,874.57/415,670.07 = 221,824.15/x
  3. Step 3: Cross multiply
    277,874.57x = 415,670.07 × 221,824.15
  4. Step 4: Simplify right side
    277,874.57x = 92,205,661,309.62
  5. Step 5: Solve for x
    x = 92,205,661,309.62/277,874.57
  6. Step 6: Final answer
    x = 331,824.76

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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.