Home / 481,643.50-722,466.94-161,786.22

Finding the Fourth Proportional to 481,643.50, 722,466.94 and 161,786.22

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Solution

The fourth proportional to 481,643.50, 722,466.94 and 161,786.22 is: 242,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,643.50 : 722,466.94 = 161,786.22 : x
  2. Step 2: Convert to fraction form
    481,643.50/722,466.94 = 161,786.22/x
  3. Step 3: Cross multiply
    481,643.50x = 722,466.94 × 161,786.22
  4. Step 4: Simplify right side
    481,643.50x = 116,885,195,297.57
  5. Step 5: Solve for x
    x = 116,885,195,297.57/481,643.50
  6. Step 6: Final answer
    x = 242,679.90

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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.