Home / 295,764.43-407,676.75-231,121.32

Finding the Fourth Proportional to 295,764.43, 407,676.75 and 231,121.32

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Solution

The fourth proportional to 295,764.43, 407,676.75 and 231,121.32 is: 318,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,764.43 : 407,676.75 = 231,121.32 : x
  2. Step 2: Convert to fraction form
    295,764.43/407,676.75 = 231,121.32/x
  3. Step 3: Cross multiply
    295,764.43x = 407,676.75 × 231,121.32
  4. Step 4: Simplify right side
    295,764.43x = 94,222,791,100.15
  5. Step 5: Solve for x
    x = 94,222,791,100.15/295,764.43
  6. Step 6: Final answer
    x = 318,573.77

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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.