Home / 667,146.24-1,000,721.39-161,705.23

Finding the Fourth Proportional to 667,146.24, 1,000,721.39 and 161,705.23

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Solution

The fourth proportional to 667,146.24, 1,000,721.39 and 161,705.23 is: 242,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,146.24 : 1,000,721.39 = 161,705.23 : x
  2. Step 2: Convert to fraction form
    667,146.24/1,000,721.39 = 161,705.23/x
  3. Step 3: Cross multiply
    667,146.24x = 1,000,721.39 × 161,705.23
  4. Step 4: Simplify right side
    667,146.24x = 161,821,879,225.54
  5. Step 5: Solve for x
    x = 161,821,879,225.54/667,146.24
  6. Step 6: Final answer
    x = 242,558.33

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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.