Home / 376,140.97-519,064.40-228,910.61

Finding the Fourth Proportional to 376,140.97, 519,064.40 and 228,910.61

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Solution

The fourth proportional to 376,140.97, 519,064.40 and 228,910.61 is: 315,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,140.97 : 519,064.40 = 228,910.61 : x
  2. Step 2: Convert to fraction form
    376,140.97/519,064.40 = 228,910.61/x
  3. Step 3: Cross multiply
    376,140.97x = 519,064.40 × 228,910.61
  4. Step 4: Simplify right side
    376,140.97x = 118,819,347,383.48
  5. Step 5: Solve for x
    x = 118,819,347,383.48/376,140.97
  6. Step 6: Final answer
    x = 315,890.47

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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.