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Finding the Fourth Proportional to 379,065.77, 522,891.47 and 244,929.77

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Solution

The fourth proportional to 379,065.77, 522,891.47 and 244,929.77 is: 337,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065.77 : 522,891.47 = 244,929.77 : x
  2. Step 2: Convert to fraction form
    379,065.77/522,891.47 = 244,929.77/x
  3. Step 3: Cross multiply
    379,065.77x = 522,891.47 × 244,929.77
  4. Step 4: Simplify right side
    379,065.77x = 128,071,687,482.06
  5. Step 5: Solve for x
    x = 128,071,687,482.06/379,065.77
  6. Step 6: Final answer
    x = 337,861.39

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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.