Home / 658,245.15-987,334.92-231,802.02

Finding the Fourth Proportional to 658,245.15, 987,334.92 and 231,802.02

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Solution

The fourth proportional to 658,245.15, 987,334.92 and 231,802.02 is: 347,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,245.15 : 987,334.92 = 231,802.02 : x
  2. Step 2: Convert to fraction form
    658,245.15/987,334.92 = 231,802.02/x
  3. Step 3: Cross multiply
    658,245.15x = 987,334.92 × 231,802.02
  4. Step 4: Simplify right side
    658,245.15x = 228,866,228,872.54
  5. Step 5: Solve for x
    x = 228,866,228,872.54/658,245.15
  6. Step 6: Final answer
    x = 347,691.48

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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.