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Finding the Fourth Proportional to 379,064.89, 522,890.26 and 244,928.89

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Solution

The fourth proportional to 379,064.89, 522,890.26 and 244,928.89 is: 337,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,064.89 : 522,890.26 = 244,928.89 : x
  2. Step 2: Convert to fraction form
    379,064.89/522,890.26 = 244,928.89/x
  3. Step 3: Cross multiply
    379,064.89x = 522,890.26 × 244,928.89
  4. Step 4: Simplify right side
    379,064.89x = 128,070,930,973.61
  5. Step 5: Solve for x
    x = 128,070,930,973.61/379,064.89
  6. Step 6: Final answer
    x = 337,860.18

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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.