Home / 217,248.40-325,872.60-198,002.80

Finding the Fourth Proportional to 217,248.40, 325,872.60 and 198,002.80

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Solution

The fourth proportional to 217,248.40, 325,872.60 and 198,002.80 is: 297,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248.40 : 325,872.60 = 198,002.80 : x
  2. Step 2: Convert to fraction form
    217,248.40/325,872.60 = 198,002.80/x
  3. Step 3: Cross multiply
    217,248.40x = 325,872.60 × 198,002.80
  4. Step 4: Simplify right side
    217,248.40x = 64,523,687,243.28
  5. Step 5: Solve for x
    x = 64,523,687,243.28/217,248.40
  6. Step 6: Final answer
    x = 297,004.20

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1.5x scale

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.