Home / 494,131.20-741,127.68-161,664

Finding the Fourth Proportional to 494,131.20, 741,127.68 and 161,664

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Solution

The fourth proportional to 494,131.20, 741,127.68 and 161,664 is: 242,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,131.20 : 741,127.68 = 161,664 : x
  2. Step 2: Convert to fraction form
    494,131.20/741,127.68 = 161,664/x
  3. Step 3: Cross multiply
    494,131.20x = 741,127.68 × 161,664
  4. Step 4: Simplify right side
    494,131.20x = 119,813,665,259.52
  5. Step 5: Solve for x
    x = 119,813,665,259.52/494,131.20
  6. Step 6: Final answer
    x = 242,473.39

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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.