Home / 439,025.24-658,651.19-135,412.57

Finding the Fourth Proportional to 439,025.24, 658,651.19 and 135,412.57

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Solution

The fourth proportional to 439,025.24, 658,651.19 and 135,412.57 is: 203,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,025.24 : 658,651.19 = 135,412.57 : x
  2. Step 2: Convert to fraction form
    439,025.24/658,651.19 = 135,412.57/x
  3. Step 3: Cross multiply
    439,025.24x = 658,651.19 × 135,412.57
  4. Step 4: Simplify right side
    439,025.24x = 89,189,650,371.46
  5. Step 5: Solve for x
    x = 89,189,650,371.46/439,025.24
  6. Step 6: Final answer
    x = 203,153.81

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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.