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Finding the Fourth Proportional to 475,336.46, 655,900.12 and 271,374.41

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Solution

The fourth proportional to 475,336.46, 655,900.12 and 271,374.41 is: 374,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,336.46 : 655,900.12 = 271,374.41 : x
  2. Step 2: Convert to fraction form
    475,336.46/655,900.12 = 271,374.41/x
  3. Step 3: Cross multiply
    475,336.46x = 655,900.12 × 271,374.41
  4. Step 4: Simplify right side
    475,336.46x = 177,994,507,836.56
  5. Step 5: Solve for x
    x = 177,994,507,836.56/475,336.46
  6. Step 6: Final answer
    x = 374,460.04

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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.