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Finding the Fourth Proportional to 539,580.30, 809,180.45 and 179,653.41

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Solution

The fourth proportional to 539,580.30, 809,180.45 and 179,653.41 is: 269,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,580.30 : 809,180.45 = 179,653.41 : x
  2. Step 2: Convert to fraction form
    539,580.30/809,180.45 = 179,653.41/x
  3. Step 3: Cross multiply
    539,580.30x = 809,180.45 × 179,653.41
  4. Step 4: Simplify right side
    539,580.30x = 145,372,026,923.27
  5. Step 5: Solve for x
    x = 145,372,026,923.27/539,580.30
  6. Step 6: Final answer
    x = 269,416.85

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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.