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Finding the Fourth Proportional to 254,065.26, 381,112.47 and 76,553.76

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Solution

The fourth proportional to 254,065.26, 381,112.47 and 76,553.76 is: 114,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,065.26 : 381,112.47 = 76,553.76 : x
  2. Step 2: Convert to fraction form
    254,065.26/381,112.47 = 76,553.76/x
  3. Step 3: Cross multiply
    254,065.26x = 381,112.47 × 76,553.76
  4. Step 4: Simplify right side
    254,065.26x = 29,175,592,561.39
  5. Step 5: Solve for x
    x = 29,175,592,561.39/254,065.26
  6. Step 6: Final answer
    x = 114,835.03

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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.