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Finding the Fourth Proportional to 275,025.59, 412,656.02 and 115,138.88

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Solution

The fourth proportional to 275,025.59, 412,656.02 and 115,138.88 is: 172,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,025.59 : 412,656.02 = 115,138.88 : x
  2. Step 2: Convert to fraction form
    275,025.59/412,656.02 = 115,138.88/x
  3. Step 3: Cross multiply
    275,025.59x = 412,656.02 × 115,138.88
  4. Step 4: Simplify right side
    275,025.59x = 47,512,751,392.36
  5. Step 5: Solve for x
    x = 47,512,751,392.36/275,025.59
  6. Step 6: Final answer
    x = 172,757.57

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1.5x scale

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.