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Finding the Fourth Proportional to 444,523, 666,843.10 and 144,898.60

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Solution

The fourth proportional to 444,523, 666,843.10 and 144,898.60 is: 217,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,523 : 666,843.10 = 144,898.60 : x
  2. Step 2: Convert to fraction form
    444,523/666,843.10 = 144,898.60/x
  3. Step 3: Cross multiply
    444,523x = 666,843.10 × 144,898.60
  4. Step 4: Simplify right side
    444,523x = 96,624,631,609.66
  5. Step 5: Solve for x
    x = 96,624,631,609.66/444,523
  6. Step 6: Final answer
    x = 217,367.00

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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.