Home / 252,336.53-378,352.34-100,556.96

Finding the Fourth Proportional to 252,336.53, 378,352.34 and 100,556.96

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Solution

The fourth proportional to 252,336.53, 378,352.34 and 100,556.96 is: 150,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,336.53 : 378,352.34 = 100,556.96 : x
  2. Step 2: Convert to fraction form
    252,336.53/378,352.34 = 100,556.96/x
  3. Step 3: Cross multiply
    252,336.53x = 378,352.34 × 100,556.96
  4. Step 4: Simplify right side
    252,336.53x = 38,045,959,478.92
  5. Step 5: Solve for x
    x = 38,045,959,478.92/252,336.53
  6. Step 6: Final answer
    x = 150,774.68

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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.