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Finding the Fourth Proportional to 444,425.30, 613,199.87 and 269,990.43

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Solution

The fourth proportional to 444,425.30, 613,199.87 and 269,990.43 is: 372,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,425.30 : 613,199.87 = 269,990.43 : x
  2. Step 2: Convert to fraction form
    444,425.30/613,199.87 = 269,990.43/x
  3. Step 3: Cross multiply
    444,425.30x = 613,199.87 × 269,990.43
  4. Step 4: Simplify right side
    444,425.30x = 165,558,097,389.51
  5. Step 5: Solve for x
    x = 165,558,097,389.51/444,425.30
  6. Step 6: Final answer
    x = 372,521.77

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1.5x scale

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.