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Finding the Fourth Proportional to 299,512, 412,989.60 and 244,893.76

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Solution

The fourth proportional to 299,512, 412,989.60 and 244,893.76 is: 337,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,512 : 412,989.60 = 244,893.76 : x
  2. Step 2: Convert to fraction form
    299,512/412,989.60 = 244,893.76/x
  3. Step 3: Cross multiply
    299,512x = 412,989.60 × 244,893.76
  4. Step 4: Simplify right side
    299,512x = 101,138,575,984.90
  5. Step 5: Solve for x
    x = 101,138,575,984.90/299,512
  6. Step 6: Final answer
    x = 337,677.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.