Home / 455,796.09-628,965.90-251,844.71

Finding the Fourth Proportional to 455,796.09, 628,965.90 and 251,844.71

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Solution

The fourth proportional to 455,796.09, 628,965.90 and 251,844.71 is: 347,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,796.09 : 628,965.90 = 251,844.71 : x
  2. Step 2: Convert to fraction form
    455,796.09/628,965.90 = 251,844.71/x
  3. Step 3: Cross multiply
    455,796.09x = 628,965.90 × 251,844.71
  4. Step 4: Simplify right side
    455,796.09x = 158,401,731,540.56
  5. Step 5: Solve for x
    x = 158,401,731,540.56/455,796.09
  6. Step 6: Final answer
    x = 347,527.62

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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.