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Finding the Fourth Proportional to 606,716.22, 909,685.53 and 251,975.10

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Solution

The fourth proportional to 606,716.22, 909,685.53 and 251,975.10 is: 377,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,716.22 : 909,685.53 = 251,975.10 : x
  2. Step 2: Convert to fraction form
    606,716.22/909,685.53 = 251,975.10/x
  3. Step 3: Cross multiply
    606,716.22x = 909,685.53 × 251,975.10
  4. Step 4: Simplify right side
    606,716.22x = 229,218,102,390.30
  5. Step 5: Solve for x
    x = 229,218,102,390.30/606,716.22
  6. Step 6: Final answer
    x = 377,801.18

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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.