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Finding the Fourth Proportional to 412,273.83, 618,017.07 and 131,608.83

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Solution

The fourth proportional to 412,273.83, 618,017.07 and 131,608.83 is: 197,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,273.83 : 618,017.07 = 131,608.83 : x
  2. Step 2: Convert to fraction form
    412,273.83/618,017.07 = 131,608.83/x
  3. Step 3: Cross multiply
    412,273.83x = 618,017.07 × 131,608.83
  4. Step 4: Simplify right side
    412,273.83x = 81,336,503,502.73
  5. Step 5: Solve for x
    x = 81,336,503,502.73/412,273.83
  6. Step 6: Final answer
    x = 197,287.57

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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.