Home / 481,788.75-722,749.47-161,965.43

Finding the Fourth Proportional to 481,788.75, 722,749.47 and 161,965.43

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Solution

The fourth proportional to 481,788.75, 722,749.47 and 161,965.43 is: 242,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,788.75 : 722,749.47 = 161,965.43 : x
  2. Step 2: Convert to fraction form
    481,788.75/722,749.47 = 161,965.43/x
  3. Step 3: Cross multiply
    481,788.75x = 722,749.47 × 161,965.43
  4. Step 4: Simplify right side
    481,788.75x = 117,060,428,690.82
  5. Step 5: Solve for x
    x = 117,060,428,690.82/481,788.75
  6. Step 6: Final answer
    x = 242,970.45

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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.