Home / 234,834.56-324,113.28-139,394

Finding the Fourth Proportional to 234,834.56, 324,113.28 and 139,394

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Solution

The fourth proportional to 234,834.56, 324,113.28 and 139,394 is: 192,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,834.56 : 324,113.28 = 139,394 : x
  2. Step 2: Convert to fraction form
    234,834.56/324,113.28 = 139,394/x
  3. Step 3: Cross multiply
    234,834.56x = 324,113.28 × 139,394
  4. Step 4: Simplify right side
    234,834.56x = 45,179,446,552.32
  5. Step 5: Solve for x
    x = 45,179,446,552.32/234,834.56
  6. Step 6: Final answer
    x = 192,388.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.