Home / 307,939.41-425,364.39-247,736.79

Finding the Fourth Proportional to 307,939.41, 425,364.39 and 247,736.79

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Solution

The fourth proportional to 307,939.41, 425,364.39 and 247,736.79 is: 342,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,939.41 : 425,364.39 = 247,736.79 : x
  2. Step 2: Convert to fraction form
    307,939.41/425,364.39 = 247,736.79/x
  3. Step 3: Cross multiply
    307,939.41x = 425,364.39 × 247,736.79
  4. Step 4: Simplify right side
    307,939.41x = 105,378,408,558.91
  5. Step 5: Solve for x
    x = 105,378,408,558.91/307,939.41
  6. Step 6: Final answer
    x = 342,205.01

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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.