Home / 246,201.28-339,697.12-138,771.52

Finding the Fourth Proportional to 246,201.28, 339,697.12 and 138,771.52

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Solution

The fourth proportional to 246,201.28, 339,697.12 and 138,771.52 is: 191,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,201.28 : 339,697.12 = 138,771.52 : x
  2. Step 2: Convert to fraction form
    246,201.28/339,697.12 = 138,771.52/x
  3. Step 3: Cross multiply
    246,201.28x = 339,697.12 × 138,771.52
  4. Step 4: Simplify right side
    246,201.28x = 47,140,285,682.02
  5. Step 5: Solve for x
    x = 47,140,285,682.02/246,201.28
  6. Step 6: Final answer
    x = 191,470.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.