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Finding the Fourth Proportional to 475,101.48, 655,650.60 and 271,148.34

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Solution

The fourth proportional to 475,101.48, 655,650.60 and 271,148.34 is: 374,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,101.48 : 655,650.60 = 271,148.34 : x
  2. Step 2: Convert to fraction form
    475,101.48/655,650.60 = 271,148.34/x
  3. Step 3: Cross multiply
    475,101.48x = 655,650.60 × 271,148.34
  4. Step 4: Simplify right side
    475,101.48x = 177,778,571,810.00
  5. Step 5: Solve for x
    x = 177,778,571,810.00/475,101.48
  6. Step 6: Final answer
    x = 374,190.73

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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.