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Finding the Fourth Proportional to 201,404.30, 277,945.07 and 110,767.28

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Solution

The fourth proportional to 201,404.30, 277,945.07 and 110,767.28 is: 152,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404.30 : 277,945.07 = 110,767.28 : x
  2. Step 2: Convert to fraction form
    201,404.30/277,945.07 = 110,767.28/x
  3. Step 3: Cross multiply
    201,404.30x = 277,945.07 × 110,767.28
  4. Step 4: Simplify right side
    201,404.30x = 30,787,217,449.75
  5. Step 5: Solve for x
    x = 30,787,217,449.75/201,404.30
  6. Step 6: Final answer
    x = 152,862.77

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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.