Home / 219,723.03-329,047.09-198,423.86

Finding the Fourth Proportional to 219,723.03, 329,047.09 and 198,423.86

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Solution

The fourth proportional to 219,723.03, 329,047.09 and 198,423.86 is: 297,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,723.03 : 329,047.09 = 198,423.86 : x
  2. Step 2: Convert to fraction form
    219,723.03/329,047.09 = 198,423.86/x
  3. Step 3: Cross multiply
    219,723.03x = 329,047.09 × 198,423.86
  4. Step 4: Simplify right side
    219,723.03x = 65,290,791,578.27
  5. Step 5: Solve for x
    x = 65,290,791,578.27/219,723.03
  6. Step 6: Final answer
    x = 297,150.42

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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.