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Finding the Fourth Proportional to 444,479.22, 666,824.94 and 144,960.09

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Solution

The fourth proportional to 444,479.22, 666,824.94 and 144,960.09 is: 217,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,479.22 : 666,824.94 = 144,960.09 : x
  2. Step 2: Convert to fraction form
    444,479.22/666,824.94 = 144,960.09/x
  3. Step 3: Cross multiply
    444,479.22x = 666,824.94 × 144,960.09
  4. Step 4: Simplify right side
    444,479.22x = 96,663,003,316.64
  5. Step 5: Solve for x
    x = 96,663,003,316.64/444,479.22
  6. Step 6: Final answer
    x = 217,474.74

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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.