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Finding the Fourth Proportional to 295,922, 408,382.44 and 161,794.64

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Solution

The fourth proportional to 295,922, 408,382.44 and 161,794.64 is: 223,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,922 : 408,382.44 = 161,794.64 : x
  2. Step 2: Convert to fraction form
    295,922/408,382.44 = 161,794.64/x
  3. Step 3: Cross multiply
    295,922x = 408,382.44 × 161,794.64
  4. Step 4: Simplify right side
    295,922x = 66,074,089,862.12
  5. Step 5: Solve for x
    x = 66,074,089,862.12/295,922
  6. Step 6: Final answer
    x = 223,282.11

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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.