Home / 252,236.26-378,376.20-72,322.48

Finding the Fourth Proportional to 252,236.26, 378,376.20 and 72,322.48

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Solution

The fourth proportional to 252,236.26, 378,376.20 and 72,322.48 is: 108,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,236.26 : 378,376.20 = 72,322.48 : x
  2. Step 2: Convert to fraction form
    252,236.26/378,376.20 = 72,322.48/x
  3. Step 3: Cross multiply
    252,236.26x = 378,376.20 × 72,322.48
  4. Step 4: Simplify right side
    252,236.26x = 27,365,105,156.98
  5. Step 5: Solve for x
    x = 27,365,105,156.98/252,236.26
  6. Step 6: Final answer
    x = 108,489.97

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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.