Home / 252,505.26-378,816.21-75,008.34

Finding the Fourth Proportional to 252,505.26, 378,816.21 and 75,008.34

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Solution

The fourth proportional to 252,505.26, 378,816.21 and 75,008.34 is: 112,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,505.26 : 378,816.21 = 75,008.34 : x
  2. Step 2: Convert to fraction form
    252,505.26/378,816.21 = 75,008.34/x
  3. Step 3: Cross multiply
    252,505.26x = 378,816.21 × 75,008.34
  4. Step 4: Simplify right side
    252,505.26x = 28,414,375,077.19
  5. Step 5: Solve for x
    x = 28,414,375,077.19/252,505.26
  6. Step 6: Final answer
    x = 112,529.83

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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.