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Finding the Fourth Proportional to 539,771.10, 809,656.65 and 165,794.10

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Solution

The fourth proportional to 539,771.10, 809,656.65 and 165,794.10 is: 248,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,771.10 : 809,656.65 = 165,794.10 : x
  2. Step 2: Convert to fraction form
    539,771.10/809,656.65 = 165,794.10/x
  3. Step 3: Cross multiply
    539,771.10x = 809,656.65 × 165,794.10
  4. Step 4: Simplify right side
    539,771.10x = 134,236,295,595.77
  5. Step 5: Solve for x
    x = 134,236,295,595.77/539,771.10
  6. Step 6: Final answer
    x = 248,691.15

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Similar ratio
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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.