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Finding the Fourth Proportional to 444,531.50, 666,855.84 and 144,907.10

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Solution

The fourth proportional to 444,531.50, 666,855.84 and 144,907.10 is: 217,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,531.50 : 666,855.84 = 144,907.10 : x
  2. Step 2: Convert to fraction form
    444,531.50/666,855.84 = 144,907.10/x
  3. Step 3: Cross multiply
    444,531.50x = 666,855.84 × 144,907.10
  4. Step 4: Simplify right side
    444,531.50x = 96,632,145,892.46
  5. Step 5: Solve for x
    x = 96,632,145,892.46/444,531.50
  6. Step 6: Final answer
    x = 217,379.75

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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.