Home / 367,831.28-551,743.38-217,963.70

Finding the Fourth Proportional to 367,831.28, 551,743.38 and 217,963.70

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Solution

The fourth proportional to 367,831.28, 551,743.38 and 217,963.70 is: 326,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,831.28 : 551,743.38 = 217,963.70 : x
  2. Step 2: Convert to fraction form
    367,831.28/551,743.38 = 217,963.70/x
  3. Step 3: Cross multiply
    367,831.28x = 551,743.38 × 217,963.70
  4. Step 4: Simplify right side
    367,831.28x = 120,260,028,555.31
  5. Step 5: Solve for x
    x = 120,260,028,555.31/367,831.28
  6. Step 6: Final answer
    x = 326,943.45

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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.