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Finding the Fourth Proportional to 225,975, 311,845.26 and 124,001.04

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Solution

The fourth proportional to 225,975, 311,845.26 and 124,001.04 is: 171,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975 : 311,845.26 = 124,001.04 : x
  2. Step 2: Convert to fraction form
    225,975/311,845.26 = 124,001.04/x
  3. Step 3: Cross multiply
    225,975x = 311,845.26 × 124,001.04
  4. Step 4: Simplify right side
    225,975x = 38,669,136,559.07
  5. Step 5: Solve for x
    x = 38,669,136,559.07/225,975
  6. Step 6: Final answer
    x = 171,121.30

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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.