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Finding the Fourth Proportional to 251,982.40, 378,119.40 and 94,226.80

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Solution

The fourth proportional to 251,982.40, 378,119.40 and 94,226.80 is: 141,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,982.40 : 378,119.40 = 94,226.80 : x
  2. Step 2: Convert to fraction form
    251,982.40/378,119.40 = 94,226.80/x
  3. Step 3: Cross multiply
    251,982.40x = 378,119.40 × 94,226.80
  4. Step 4: Simplify right side
    251,982.40x = 35,628,981,079.92
  5. Step 5: Solve for x
    x = 35,628,981,079.92/251,982.40
  6. Step 6: Final answer
    x = 141,394.72

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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.