Home / 427,231.72-589,568.10-236,238.58

Finding the Fourth Proportional to 427,231.72, 589,568.10 and 236,238.58

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Solution

The fourth proportional to 427,231.72, 589,568.10 and 236,238.58 is: 326,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,231.72 : 589,568.10 = 236,238.58 : x
  2. Step 2: Convert to fraction form
    427,231.72/589,568.10 = 236,238.58/x
  3. Step 3: Cross multiply
    427,231.72x = 589,568.10 × 236,238.58
  4. Step 4: Simplify right side
    427,231.72x = 139,278,730,757.30
  5. Step 5: Solve for x
    x = 139,278,730,757.30/427,231.72
  6. Step 6: Final answer
    x = 326,002.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.