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Finding the Fourth Proportional to 444,222.66, 666,333.46 and 144,702.75

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Solution

The fourth proportional to 444,222.66, 666,333.46 and 144,702.75 is: 217,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,222.66 : 666,333.46 = 144,702.75 : x
  2. Step 2: Convert to fraction form
    444,222.66/666,333.46 = 144,702.75/x
  3. Step 3: Cross multiply
    444,222.66x = 666,333.46 × 144,702.75
  4. Step 4: Simplify right side
    444,222.66x = 96,420,287,165.62
  5. Step 5: Solve for x
    x = 96,420,287,165.62/444,222.66
  6. Step 6: Final answer
    x = 217,053.96

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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.