Home / 252,180.82-378,197.40-207,697.24

Finding the Fourth Proportional to 252,180.82, 378,197.40 and 207,697.24

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Solution

The fourth proportional to 252,180.82, 378,197.40 and 207,697.24 is: 311,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,180.82 : 378,197.40 = 207,697.24 : x
  2. Step 2: Convert to fraction form
    252,180.82/378,197.40 = 207,697.24/x
  3. Step 3: Cross multiply
    252,180.82x = 378,197.40 × 207,697.24
  4. Step 4: Simplify right side
    252,180.82x = 78,550,556,155.18
  5. Step 5: Solve for x
    x = 78,550,556,155.18/252,180.82
  6. Step 6: Final answer
    x = 311,485.05

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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.