Home / 427,219.26-641,214.09-227,705.82

Finding the Fourth Proportional to 427,219.26, 641,214.09 and 227,705.82

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Solution

The fourth proportional to 427,219.26, 641,214.09 and 227,705.82 is: 341,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,219.26 : 641,214.09 = 227,705.82 : x
  2. Step 2: Convert to fraction form
    427,219.26/641,214.09 = 227,705.82/x
  3. Step 3: Cross multiply
    427,219.26x = 641,214.09 × 227,705.82
  4. Step 4: Simplify right side
    427,219.26x = 146,008,180,159.00
  5. Step 5: Solve for x
    x = 146,008,180,159.00/427,219.26
  6. Step 6: Final answer
    x = 341,764.04

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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.