Home / 263,498.10-363,628.26-142,639.38

Finding the Fourth Proportional to 263,498.10, 363,628.26 and 142,639.38

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Solution

The fourth proportional to 263,498.10, 363,628.26 and 142,639.38 is: 196,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,498.10 : 363,628.26 = 142,639.38 : x
  2. Step 2: Convert to fraction form
    263,498.10/363,628.26 = 142,639.38/x
  3. Step 3: Cross multiply
    263,498.10x = 363,628.26 × 142,639.38
  4. Step 4: Simplify right side
    263,498.10x = 51,867,709,556.88
  5. Step 5: Solve for x
    x = 51,867,709,556.88/263,498.10
  6. Step 6: Final answer
    x = 196,842.82

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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.