Home / 277,519.85-415,944.55-135,151.79

Finding the Fourth Proportional to 277,519.85, 415,944.55 and 135,151.79

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Solution

The fourth proportional to 277,519.85, 415,944.55 and 135,151.79 is: 202,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,519.85 : 415,944.55 = 135,151.79 : x
  2. Step 2: Convert to fraction form
    277,519.85/415,944.55 = 135,151.79/x
  3. Step 3: Cross multiply
    277,519.85x = 415,944.55 × 135,151.79
  4. Step 4: Simplify right side
    277,519.85x = 56,215,650,902.15
  5. Step 5: Solve for x
    x = 56,215,650,902.15/277,519.85
  6. Step 6: Final answer
    x = 202,564.43

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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.