Home / 658,223.48-987,335.26-231,658.85

Finding the Fourth Proportional to 658,223.48, 987,335.26 and 231,658.85

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Solution

The fourth proportional to 658,223.48, 987,335.26 and 231,658.85 is: 347,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,223.48 : 987,335.26 = 231,658.85 : x
  2. Step 2: Convert to fraction form
    658,223.48/987,335.26 = 231,658.85/x
  3. Step 3: Cross multiply
    658,223.48x = 987,335.26 × 231,658.85
  4. Step 4: Simplify right side
    658,223.48x = 228,724,952,785.24
  5. Step 5: Solve for x
    x = 228,724,952,785.24/658,223.48
  6. Step 6: Final answer
    x = 347,488.29

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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.