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Finding the Fourth Proportional to 539,740.85, 809,469.97 and 160,559.49

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Solution

The fourth proportional to 539,740.85, 809,469.97 and 160,559.49 is: 240,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,740.85 : 809,469.97 = 160,559.49 : x
  2. Step 2: Convert to fraction form
    539,740.85/809,469.97 = 160,559.49/x
  3. Step 3: Cross multiply
    539,740.85x = 809,469.97 × 160,559.49
  4. Step 4: Simplify right side
    539,740.85x = 129,968,085,152.12
  5. Step 5: Solve for x
    x = 129,968,085,152.12/539,740.85
  6. Step 6: Final answer
    x = 240,797.20

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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.