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Finding the Fourth Proportional to 270,761.74, 373,649.83 and 148,251.90

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Solution

The fourth proportional to 270,761.74, 373,649.83 and 148,251.90 is: 204,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,761.74 : 373,649.83 = 148,251.90 : x
  2. Step 2: Convert to fraction form
    270,761.74/373,649.83 = 148,251.90/x
  3. Step 3: Cross multiply
    270,761.74x = 373,649.83 × 148,251.90
  4. Step 4: Simplify right side
    270,761.74x = 55,394,295,363.93
  5. Step 5: Solve for x
    x = 55,394,295,363.93/270,761.74
  6. Step 6: Final answer
    x = 204,586.86

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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.