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Finding the Fourth Proportional to 400,980, 601,003.44 and 164,035.56

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Solution

The fourth proportional to 400,980, 601,003.44 and 164,035.56 is: 245,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,980 : 601,003.44 = 164,035.56 : x
  2. Step 2: Convert to fraction form
    400,980/601,003.44 = 164,035.56/x
  3. Step 3: Cross multiply
    400,980x = 601,003.44 × 164,035.56
  4. Step 4: Simplify right side
    400,980x = 98,585,935,842.33
  5. Step 5: Solve for x
    x = 98,585,935,842.33/400,980
  6. Step 6: Final answer
    x = 245,862.48

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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.