Home / 445,003.93-667,546.89-145,486.09

Finding the Fourth Proportional to 445,003.93, 667,546.89 and 145,486.09

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Solution

The fourth proportional to 445,003.93, 667,546.89 and 145,486.09 is: 218,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,003.93 : 667,546.89 = 145,486.09 : x
  2. Step 2: Convert to fraction form
    445,003.93/667,546.89 = 145,486.09/x
  3. Step 3: Cross multiply
    445,003.93x = 667,546.89 × 145,486.09
  4. Step 4: Simplify right side
    445,003.93x = 97,118,786,917.76
  5. Step 5: Solve for x
    x = 97,118,786,917.76/445,003.93
  6. Step 6: Final answer
    x = 218,242.54

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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.