Home / 257,273.38-355,048.26-149,826.07

Finding the Fourth Proportional to 257,273.38, 355,048.26 and 149,826.07

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Solution

The fourth proportional to 257,273.38, 355,048.26 and 149,826.07 is: 206,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,273.38 : 355,048.26 = 149,826.07 : x
  2. Step 2: Convert to fraction form
    257,273.38/355,048.26 = 149,826.07/x
  3. Step 3: Cross multiply
    257,273.38x = 355,048.26 × 149,826.07
  4. Step 4: Simplify right side
    257,273.38x = 53,195,483,680.90
  5. Step 5: Solve for x
    x = 53,195,483,680.90/257,273.38
  6. Step 6: Final answer
    x = 206,766.38

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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.