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Finding the Fourth Proportional to 539,670.17, 809,493.95 and 179,867.07

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Solution

The fourth proportional to 539,670.17, 809,493.95 and 179,867.07 is: 269,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,670.17 : 809,493.95 = 179,867.07 : x
  2. Step 2: Convert to fraction form
    539,670.17/809,493.95 = 179,867.07/x
  3. Step 3: Cross multiply
    539,670.17x = 809,493.95 × 179,867.07
  4. Step 4: Simplify right side
    539,670.17x = 145,601,305,418.89
  5. Step 5: Solve for x
    x = 145,601,305,418.89/539,670.17
  6. Step 6: Final answer
    x = 269,796.84

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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.