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Finding the Fourth Proportional to 332,343.82, 497,640.93 and 198,907.66

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Solution

The fourth proportional to 332,343.82, 497,640.93 and 198,907.66 is: 297,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,343.82 : 497,640.93 = 198,907.66 : x
  2. Step 2: Convert to fraction form
    332,343.82/497,640.93 = 198,907.66/x
  3. Step 3: Cross multiply
    332,343.82x = 497,640.93 × 198,907.66
  4. Step 4: Simplify right side
    332,343.82x = 98,984,592,906.52
  5. Step 5: Solve for x
    x = 98,984,592,906.52/332,343.82
  6. Step 6: Final answer
    x = 297,837.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.