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Finding the Fourth Proportional to 475,104.98, 655,655.43 and 271,151.84

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Solution

The fourth proportional to 475,104.98, 655,655.43 and 271,151.84 is: 374,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,104.98 : 655,655.43 = 271,151.84 : x
  2. Step 2: Convert to fraction form
    475,104.98/655,655.43 = 271,151.84/x
  3. Step 3: Cross multiply
    475,104.98x = 655,655.43 × 271,151.84
  4. Step 4: Simplify right side
    475,104.98x = 177,782,176,250.49
  5. Step 5: Solve for x
    x = 177,782,176,250.49/475,104.98
  6. Step 6: Final answer
    x = 374,195.56

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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.