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Finding the Fourth Proportional to 275,450.44, 412,373.58 and 204,686.92

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Solution

The fourth proportional to 275,450.44, 412,373.58 and 204,686.92 is: 306,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,450.44 : 412,373.58 = 204,686.92 : x
  2. Step 2: Convert to fraction form
    275,450.44/412,373.58 = 204,686.92/x
  3. Step 3: Cross multiply
    275,450.44x = 412,373.58 × 204,686.92
  4. Step 4: Simplify right side
    275,450.44x = 84,407,477,979.57
  5. Step 5: Solve for x
    x = 84,407,477,979.57/275,450.44
  6. Step 6: Final answer
    x = 306,434.36

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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.