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Finding the Fourth Proportional to 539,418.08, 809,170.86 and 179,575.94

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Solution

The fourth proportional to 539,418.08, 809,170.86 and 179,575.94 is: 269,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,418.08 : 809,170.86 = 179,575.94 : x
  2. Step 2: Convert to fraction form
    539,418.08/809,170.86 = 179,575.94/x
  3. Step 3: Cross multiply
    539,418.08x = 809,170.86 × 179,575.94
  4. Step 4: Simplify right side
    539,418.08x = 145,307,615,949.86
  5. Step 5: Solve for x
    x = 145,307,615,949.86/539,418.08
  6. Step 6: Final answer
    x = 269,378.47

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1.5x scale

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.