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Finding the Fourth Proportional to 400,028.44, 599,996.41 and 100,486.22

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Solution

The fourth proportional to 400,028.44, 599,996.41 and 100,486.22 is: 150,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,028.44 : 599,996.41 = 100,486.22 : x
  2. Step 2: Convert to fraction form
    400,028.44/599,996.41 = 100,486.22/x
  3. Step 3: Cross multiply
    400,028.44x = 599,996.41 × 100,486.22
  4. Step 4: Simplify right side
    400,028.44x = 60,291,371,943.49
  5. Step 5: Solve for x
    x = 60,291,371,943.49/400,028.44
  6. Step 6: Final answer
    x = 150,717.71

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1.5x scale

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.