Home / 252,512.48-378,989.40-102,834.56

Finding the Fourth Proportional to 252,512.48, 378,989.40 and 102,834.56

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Solution

The fourth proportional to 252,512.48, 378,989.40 and 102,834.56 is: 154,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,512.48 : 378,989.40 = 102,834.56 : x
  2. Step 2: Convert to fraction form
    252,512.48/378,989.40 = 102,834.56/x
  3. Step 3: Cross multiply
    252,512.48x = 378,989.40 × 102,834.56
  4. Step 4: Simplify right side
    252,512.48x = 38,973,208,193.66
  5. Step 5: Solve for x
    x = 38,973,208,193.66/252,512.48
  6. Step 6: Final answer
    x = 154,341.71

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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.