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Finding the Fourth Proportional to 344,902.74, 475,974.86 and 191,951.25

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Solution

The fourth proportional to 344,902.74, 475,974.86 and 191,951.25 is: 264,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,902.74 : 475,974.86 = 191,951.25 : x
  2. Step 2: Convert to fraction form
    344,902.74/475,974.86 = 191,951.25/x
  3. Step 3: Cross multiply
    344,902.74x = 475,974.86 × 191,951.25
  4. Step 4: Simplify right side
    344,902.74x = 91,363,969,345.58
  5. Step 5: Solve for x
    x = 91,363,969,345.58/344,902.74
  6. Step 6: Final answer
    x = 264,897.78

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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.