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Finding the Fourth Proportional to 539,701, 809,590.38 and 207,277

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Solution

The fourth proportional to 539,701, 809,590.38 and 207,277 is: 310,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,701 : 809,590.38 = 207,277 : x
  2. Step 2: Convert to fraction form
    539,701/809,590.38 = 207,277/x
  3. Step 3: Cross multiply
    539,701x = 809,590.38 × 207,277
  4. Step 4: Simplify right side
    539,701x = 167,809,465,195.26
  5. Step 5: Solve for x
    x = 167,809,465,195.26/539,701
  6. Step 6: Final answer
    x = 310,930.43

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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.