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Finding the Fourth Proportional to 252,053.86, 378,036.78 and 94,249.66

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Solution

The fourth proportional to 252,053.86, 378,036.78 and 94,249.66 is: 141,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,053.86 : 378,036.78 = 94,249.66 : x
  2. Step 2: Convert to fraction form
    252,053.86/378,036.78 = 94,249.66/x
  3. Step 3: Cross multiply
    252,053.86x = 378,036.78 × 94,249.66
  4. Step 4: Simplify right side
    252,053.86x = 35,629,837,982.49
  5. Step 5: Solve for x
    x = 35,629,837,982.49/252,053.86
  6. Step 6: Final answer
    x = 141,358.03

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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.