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Finding the Fourth Proportional to 339,817, 468,948 and 188,914

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Solution

The fourth proportional to 339,817, 468,948 and 188,914 is: 260,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,817 : 468,948 = 188,914 : x
  2. Step 2: Convert to fraction form
    339,817/468,948 = 188,914/x
  3. Step 3: Cross multiply
    339,817x = 468,948 × 188,914
  4. Step 4: Simplify right side
    339,817x = 88,590,842,472
  5. Step 5: Solve for x
    x = 88,590,842,472/339,817
  6. Step 6: Final answer
    x = 260,701.62

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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.