Home / 277,219.50-415,829.67-66,857.43

Finding the Fourth Proportional to 277,219.50, 415,829.67 and 66,857.43

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Solution

The fourth proportional to 277,219.50, 415,829.67 and 66,857.43 is: 100,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,219.50 : 415,829.67 = 66,857.43 : x
  2. Step 2: Convert to fraction form
    277,219.50/415,829.67 = 66,857.43/x
  3. Step 3: Cross multiply
    277,219.50x = 415,829.67 × 66,857.43
  4. Step 4: Simplify right side
    277,219.50x = 27,801,304,362.59
  5. Step 5: Solve for x
    x = 27,801,304,362.59/277,219.50
  6. Step 6: Final answer
    x = 100,286.25

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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.