Home / 427,606.13-641,219.66-227,889.29

Finding the Fourth Proportional to 427,606.13, 641,219.66 and 227,889.29

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Solution

The fourth proportional to 427,606.13, 641,219.66 and 227,889.29 is: 341,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,606.13 : 641,219.66 = 227,889.29 : x
  2. Step 2: Convert to fraction form
    427,606.13/641,219.66 = 227,889.29/x
  3. Step 3: Cross multiply
    427,606.13x = 641,219.66 × 227,889.29
  4. Step 4: Simplify right side
    427,606.13x = 146,127,094,369.63
  5. Step 5: Solve for x
    x = 146,127,094,369.63/427,606.13
  6. Step 6: Final answer
    x = 341,732.92

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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.