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Finding the Fourth Proportional to 444,054.46, 665,981.21 and 203,937.52

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Solution

The fourth proportional to 444,054.46, 665,981.21 and 203,937.52 is: 305,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,054.46 : 665,981.21 = 203,937.52 : x
  2. Step 2: Convert to fraction form
    444,054.46/665,981.21 = 203,937.52/x
  3. Step 3: Cross multiply
    444,054.46x = 665,981.21 × 203,937.52
  4. Step 4: Simplify right side
    444,054.46x = 135,818,556,334.00
  5. Step 5: Solve for x
    x = 135,818,556,334.00/444,054.46
  6. Step 6: Final answer
    x = 305,860.13

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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.