Home / 384,622.56-576,942.74-131,900.92

Finding the Fourth Proportional to 384,622.56, 576,942.74 and 131,900.92

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Solution

The fourth proportional to 384,622.56, 576,942.74 and 131,900.92 is: 197,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,622.56 : 576,942.74 = 131,900.92 : x
  2. Step 2: Convert to fraction form
    384,622.56/576,942.74 = 131,900.92/x
  3. Step 3: Cross multiply
    384,622.56x = 576,942.74 × 131,900.92
  4. Step 4: Simplify right side
    384,622.56x = 76,099,278,193.32
  5. Step 5: Solve for x
    x = 76,099,278,193.32/384,622.56
  6. Step 6: Final answer
    x = 197,854.43

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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.