Home / 502,729.20-753,668.96-218,204.55

Finding the Fourth Proportional to 502,729.20, 753,668.96 and 218,204.55

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Solution

The fourth proportional to 502,729.20, 753,668.96 and 218,204.55 is: 327,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,729.20 : 753,668.96 = 218,204.55 : x
  2. Step 2: Convert to fraction form
    502,729.20/753,668.96 = 218,204.55/x
  3. Step 3: Cross multiply
    502,729.20x = 753,668.96 × 218,204.55
  4. Step 4: Simplify right side
    502,729.20x = 164,453,995,174.75
  5. Step 5: Solve for x
    x = 164,453,995,174.75/502,729.20
  6. Step 6: Final answer
    x = 327,122.43

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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.