Home / 439,049.37-658,497.51-123,431.25

Finding the Fourth Proportional to 439,049.37, 658,497.51 and 123,431.25

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Solution

The fourth proportional to 439,049.37, 658,497.51 and 123,431.25 is: 185,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,049.37 : 658,497.51 = 123,431.25 : x
  2. Step 2: Convert to fraction form
    439,049.37/658,497.51 = 123,431.25/x
  3. Step 3: Cross multiply
    439,049.37x = 658,497.51 × 123,431.25
  4. Step 4: Simplify right side
    439,049.37x = 81,279,170,781.19
  5. Step 5: Solve for x
    x = 81,279,170,781.19/439,049.37
  6. Step 6: Final answer
    x = 185,125.36

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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.