Home / 234,279.78-351,441.27-76,509.06

Finding the Fourth Proportional to 234,279.78, 351,441.27 and 76,509.06

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Solution

The fourth proportional to 234,279.78, 351,441.27 and 76,509.06 is: 114,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279.78 : 351,441.27 = 76,509.06 : x
  2. Step 2: Convert to fraction form
    234,279.78/351,441.27 = 76,509.06/x
  3. Step 3: Cross multiply
    234,279.78x = 351,441.27 × 76,509.06
  4. Step 4: Simplify right side
    234,279.78x = 26,888,441,212.91
  5. Step 5: Solve for x
    x = 26,888,441,212.91/234,279.78
  6. Step 6: Final answer
    x = 114,770.64

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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.