Home / 367,829.28-551,740.38-217,961.70

Finding the Fourth Proportional to 367,829.28, 551,740.38 and 217,961.70

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Solution

The fourth proportional to 367,829.28, 551,740.38 and 217,961.70 is: 326,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,829.28 : 551,740.38 = 217,961.70 : x
  2. Step 2: Convert to fraction form
    367,829.28/551,740.38 = 217,961.70/x
  3. Step 3: Cross multiply
    367,829.28x = 551,740.38 × 217,961.70
  4. Step 4: Simplify right side
    367,829.28x = 120,258,271,183.45
  5. Step 5: Solve for x
    x = 120,258,271,183.45/367,829.28
  6. Step 6: Final answer
    x = 326,940.45

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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.