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Finding the Fourth Proportional to 345,897.41, 477,317.87 and 200,691.95

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Solution

The fourth proportional to 345,897.41, 477,317.87 and 200,691.95 is: 276,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,897.41 : 477,317.87 = 200,691.95 : x
  2. Step 2: Convert to fraction form
    345,897.41/477,317.87 = 200,691.95/x
  3. Step 3: Cross multiply
    345,897.41x = 477,317.87 × 200,691.95
  4. Step 4: Simplify right side
    345,897.41x = 95,793,854,100.15
  5. Step 5: Solve for x
    x = 95,793,854,100.15/345,897.41
  6. Step 6: Final answer
    x = 276,942.96

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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.