Home / 300,723.51-415,015.86-164,757.72

Finding the Fourth Proportional to 300,723.51, 415,015.86 and 164,757.72

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Solution

The fourth proportional to 300,723.51, 415,015.86 and 164,757.72 is: 227,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,723.51 : 415,015.86 = 164,757.72 : x
  2. Step 2: Convert to fraction form
    300,723.51/415,015.86 = 164,757.72/x
  3. Step 3: Cross multiply
    300,723.51x = 415,015.86 × 164,757.72
  4. Step 4: Simplify right side
    300,723.51x = 68,377,066,857.44
  5. Step 5: Solve for x
    x = 68,377,066,857.44/300,723.51
  6. Step 6: Final answer
    x = 227,375.20

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1.5x scale

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.