Home / 340,738.91-470,208.66-195,568.58

Finding the Fourth Proportional to 340,738.91, 470,208.66 and 195,568.58

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Solution

The fourth proportional to 340,738.91, 470,208.66 and 195,568.58 is: 269,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,738.91 : 470,208.66 = 195,568.58 : x
  2. Step 2: Convert to fraction form
    340,738.91/470,208.66 = 195,568.58/x
  3. Step 3: Cross multiply
    340,738.91x = 470,208.66 × 195,568.58
  4. Step 4: Simplify right side
    340,738.91x = 91,958,039,939.90
  5. Step 5: Solve for x
    x = 91,958,039,939.90/340,738.91
  6. Step 6: Final answer
    x = 269,878.31

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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.