Home / 427,238.20-641,237.46-227,723.32

Finding the Fourth Proportional to 427,238.20, 641,237.46 and 227,723.32

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Solution

The fourth proportional to 427,238.20, 641,237.46 and 227,723.32 is: 341,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,238.20 : 641,237.46 = 227,723.32 : x
  2. Step 2: Convert to fraction form
    427,238.20/641,237.46 = 227,723.32/x
  3. Step 3: Cross multiply
    427,238.20x = 641,237.46 × 227,723.32
  4. Step 4: Simplify right side
    427,238.20x = 146,024,723,299.57
  5. Step 5: Solve for x
    x = 146,024,723,299.57/427,238.20
  6. Step 6: Final answer
    x = 341,787.61

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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.