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Finding the Fourth Proportional to 299,256.60, 447,791.40 and 220,524.60

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Solution

The fourth proportional to 299,256.60, 447,791.40 and 220,524.60 is: 329,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,256.60 : 447,791.40 = 220,524.60 : x
  2. Step 2: Convert to fraction form
    299,256.60/447,791.40 = 220,524.60/x
  3. Step 3: Cross multiply
    299,256.60x = 447,791.40 × 220,524.60
  4. Step 4: Simplify right side
    299,256.60x = 98,749,019,368.44
  5. Step 5: Solve for x
    x = 98,749,019,368.44/299,256.60
  6. Step 6: Final answer
    x = 329,981.09

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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.