Home / 422,380.70-633,573.15-106,837.91

Finding the Fourth Proportional to 422,380.70, 633,573.15 and 106,837.91

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Solution

The fourth proportional to 422,380.70, 633,573.15 and 106,837.91 is: 160,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,380.70 : 633,573.15 = 106,837.91 : x
  2. Step 2: Convert to fraction form
    422,380.70/633,573.15 = 106,837.91/x
  3. Step 3: Cross multiply
    422,380.70x = 633,573.15 × 106,837.91
  4. Step 4: Simplify right side
    422,380.70x = 67,689,631,178.12
  5. Step 5: Solve for x
    x = 67,689,631,178.12/422,380.70
  6. Step 6: Final answer
    x = 160,257.40

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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.