Home / 217,627.43-300,335.23-120,831.29

Finding the Fourth Proportional to 217,627.43, 300,335.23 and 120,831.29

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Solution

The fourth proportional to 217,627.43, 300,335.23 and 120,831.29 is: 166,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,627.43 : 300,335.23 = 120,831.29 : x
  2. Step 2: Convert to fraction form
    217,627.43/300,335.23 = 120,831.29/x
  3. Step 3: Cross multiply
    217,627.43x = 300,335.23 × 120,831.29
  4. Step 4: Simplify right side
    217,627.43x = 36,289,891,771.67
  5. Step 5: Solve for x
    x = 36,289,891,771.67/217,627.43
  6. Step 6: Final answer
    x = 166,752.38

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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.