Home / 312,118.33-468,181.46-109,706.26

Finding the Fourth Proportional to 312,118.33, 468,181.46 and 109,706.26

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Solution

The fourth proportional to 312,118.33, 468,181.46 and 109,706.26 is: 164,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,118.33 : 468,181.46 = 109,706.26 : x
  2. Step 2: Convert to fraction form
    312,118.33/468,181.46 = 109,706.26/x
  3. Step 3: Cross multiply
    312,118.33x = 468,181.46 × 109,706.26
  4. Step 4: Simplify right side
    312,118.33x = 51,362,436,977.94
  5. Step 5: Solve for x
    x = 51,362,436,977.94/312,118.33
  6. Step 6: Final answer
    x = 164,560.78

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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.