Home / 445,831.20-667,717.28-267,946.29

Finding the Fourth Proportional to 445,831.20, 667,717.28 and 267,946.29

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Solution

The fourth proportional to 445,831.20, 667,717.28 and 267,946.29 is: 401,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,831.20 : 667,717.28 = 267,946.29 : x
  2. Step 2: Convert to fraction form
    445,831.20/667,717.28 = 267,946.29/x
  3. Step 3: Cross multiply
    445,831.20x = 667,717.28 × 267,946.29
  4. Step 4: Simplify right side
    445,831.20x = 178,912,367,944.89
  5. Step 5: Solve for x
    x = 178,912,367,944.89/445,831.20
  6. Step 6: Final answer
    x = 401,300.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.