Home / 275,824.94-380,676.78-154,975.57

Finding the Fourth Proportional to 275,824.94, 380,676.78 and 154,975.57

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Solution

The fourth proportional to 275,824.94, 380,676.78 and 154,975.57 is: 213,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,824.94 : 380,676.78 = 154,975.57 : x
  2. Step 2: Convert to fraction form
    275,824.94/380,676.78 = 154,975.57/x
  3. Step 3: Cross multiply
    275,824.94x = 380,676.78 × 154,975.57
  4. Step 4: Simplify right side
    275,824.94x = 58,995,600,014.57
  5. Step 5: Solve for x
    x = 58,995,600,014.57/275,824.94
  6. Step 6: Final answer
    x = 213,887.84

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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.