Home / 298,333.25-447,450.93-82,141.55

Finding the Fourth Proportional to 298,333.25, 447,450.93 and 82,141.55

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Solution

The fourth proportional to 298,333.25, 447,450.93 and 82,141.55 is: 123,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,333.25 : 447,450.93 = 82,141.55 : x
  2. Step 2: Convert to fraction form
    298,333.25/447,450.93 = 82,141.55/x
  3. Step 3: Cross multiply
    298,333.25x = 447,450.93 × 82,141.55
  4. Step 4: Simplify right side
    298,333.25x = 36,754,312,939.14
  5. Step 5: Solve for x
    x = 36,754,312,939.14/298,333.25
  6. Step 6: Final answer
    x = 123,198.85

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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.