Home / 214,974.82-322,508.12-72,815.13

Finding the Fourth Proportional to 214,974.82, 322,508.12 and 72,815.13

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Solution

The fourth proportional to 214,974.82, 322,508.12 and 72,815.13 is: 109,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,974.82 : 322,508.12 = 72,815.13 : x
  2. Step 2: Convert to fraction form
    214,974.82/322,508.12 = 72,815.13/x
  3. Step 3: Cross multiply
    214,974.82x = 322,508.12 × 72,815.13
  4. Step 4: Simplify right side
    214,974.82x = 23,483,470,683.86
  5. Step 5: Solve for x
    x = 23,483,470,683.86/214,974.82
  6. Step 6: Final answer
    x = 109,238.24

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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.