Home / 234,665.26-351,962.25-76,890.22

Finding the Fourth Proportional to 234,665.26, 351,962.25 and 76,890.22

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Solution

The fourth proportional to 234,665.26, 351,962.25 and 76,890.22 is: 115,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,665.26 : 351,962.25 = 76,890.22 : x
  2. Step 2: Convert to fraction form
    234,665.26/351,962.25 = 76,890.22/x
  3. Step 3: Cross multiply
    234,665.26x = 351,962.25 × 76,890.22
  4. Step 4: Simplify right side
    234,665.26x = 27,062,454,834.20
  5. Step 5: Solve for x
    x = 27,062,454,834.20/234,665.26
  6. Step 6: Final answer
    x = 115,323.65

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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.