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Finding the Fourth Proportional to 444,058.40, 666,093.84 and 144,540.64

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Solution

The fourth proportional to 444,058.40, 666,093.84 and 144,540.64 is: 216,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,058.40 : 666,093.84 = 144,540.64 : x
  2. Step 2: Convert to fraction form
    444,058.40/666,093.84 = 144,540.64/x
  3. Step 3: Cross multiply
    444,058.40x = 666,093.84 × 144,540.64
  4. Step 4: Simplify right side
    444,058.40x = 96,277,629,933.66
  5. Step 5: Solve for x
    x = 96,277,629,933.66/444,058.40
  6. Step 6: Final answer
    x = 216,812.99

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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.