Home / 257,760.46-355,865.92-200,291.23

Finding the Fourth Proportional to 257,760.46, 355,865.92 and 200,291.23

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Solution

The fourth proportional to 257,760.46, 355,865.92 and 200,291.23 is: 276,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,760.46 : 355,865.92 = 200,291.23 : x
  2. Step 2: Convert to fraction form
    257,760.46/355,865.92 = 200,291.23/x
  3. Step 3: Cross multiply
    257,760.46x = 355,865.92 × 200,291.23
  4. Step 4: Simplify right side
    257,760.46x = 71,276,822,831.88
  5. Step 5: Solve for x
    x = 71,276,822,831.88/257,760.46
  6. Step 6: Final answer
    x = 276,523.49

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1.5x scale

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.