Home / 421,943.27-632,066.83-196,993.31

Finding the Fourth Proportional to 421,943.27, 632,066.83 and 196,993.31

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Solution

The fourth proportional to 421,943.27, 632,066.83 and 196,993.31 is: 295,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,943.27 : 632,066.83 = 196,993.31 : x
  2. Step 2: Convert to fraction form
    421,943.27/632,066.83 = 196,993.31/x
  3. Step 3: Cross multiply
    421,943.27x = 632,066.83 × 196,993.31
  4. Step 4: Simplify right side
    421,943.27x = 124,512,933,330.09
  5. Step 5: Solve for x
    x = 124,512,933,330.09/421,943.27
  6. Step 6: Final answer
    x = 295,094.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.