Home / 350,964.64-484,329.78-189,819.88

Finding the Fourth Proportional to 350,964.64, 484,329.78 and 189,819.88

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Solution

The fourth proportional to 350,964.64, 484,329.78 and 189,819.88 is: 261,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,964.64 : 484,329.78 = 189,819.88 : x
  2. Step 2: Convert to fraction form
    350,964.64/484,329.78 = 189,819.88/x
  3. Step 3: Cross multiply
    350,964.64x = 484,329.78 × 189,819.88
  4. Step 4: Simplify right side
    350,964.64x = 91,935,420,720.03
  5. Step 5: Solve for x
    x = 91,935,420,720.03/350,964.64
  6. Step 6: Final answer
    x = 261,950.66

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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.