Home / 234,075.71-323,247.62-221,324.09

Finding the Fourth Proportional to 234,075.71, 323,247.62 and 221,324.09

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Solution

The fourth proportional to 234,075.71, 323,247.62 and 221,324.09 is: 305,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,075.71 : 323,247.62 = 221,324.09 : x
  2. Step 2: Convert to fraction form
    234,075.71/323,247.62 = 221,324.09/x
  3. Step 3: Cross multiply
    234,075.71x = 323,247.62 × 221,324.09
  4. Step 4: Simplify right side
    234,075.71x = 71,542,483,448.27
  5. Step 5: Solve for x
    x = 71,542,483,448.27/234,075.71
  6. Step 6: Final answer
    x = 305,638.22

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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.