Home / 277,105.10-382,404.82-149,780.70

Finding the Fourth Proportional to 277,105.10, 382,404.82 and 149,780.70

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Solution

The fourth proportional to 277,105.10, 382,404.82 and 149,780.70 is: 206,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,105.10 : 382,404.82 = 149,780.70 : x
  2. Step 2: Convert to fraction form
    277,105.10/382,404.82 = 149,780.70/x
  3. Step 3: Cross multiply
    277,105.10x = 382,404.82 × 149,780.70
  4. Step 4: Simplify right side
    277,105.10x = 57,276,861,622.97
  5. Step 5: Solve for x
    x = 57,276,861,622.97/277,105.10
  6. Step 6: Final answer
    x = 206,697.25

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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.