Home / 325,991.25-449,869.55-190,119.42

Finding the Fourth Proportional to 325,991.25, 449,869.55 and 190,119.42

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Solution

The fourth proportional to 325,991.25, 449,869.55 and 190,119.42 is: 262,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,991.25 : 449,869.55 = 190,119.42 : x
  2. Step 2: Convert to fraction form
    325,991.25/449,869.55 = 190,119.42/x
  3. Step 3: Cross multiply
    325,991.25x = 449,869.55 × 190,119.42
  4. Step 4: Simplify right side
    325,991.25x = 85,528,936,971.06
  5. Step 5: Solve for x
    x = 85,528,936,971.06/325,991.25
  6. Step 6: Final answer
    x = 262,365.74

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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.