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Finding the Fourth Proportional to 379,065.89, 522,891.64 and 244,929.89

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Solution

The fourth proportional to 379,065.89, 522,891.64 and 244,929.89 is: 337,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065.89 : 522,891.64 = 244,929.89 : x
  2. Step 2: Convert to fraction form
    379,065.89/522,891.64 = 244,929.89/x
  3. Step 3: Cross multiply
    379,065.89x = 522,891.64 × 244,929.89
  4. Step 4: Simplify right side
    379,065.89x = 128,071,791,867.12
  5. Step 5: Solve for x
    x = 128,071,791,867.12/379,065.89
  6. Step 6: Final answer
    x = 337,861.56

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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.