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Finding the Fourth Proportional to 444,339.66, 613,186.14 and 240,390

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Solution

The fourth proportional to 444,339.66, 613,186.14 and 240,390 is: 331,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,339.66 : 613,186.14 = 240,390 : x
  2. Step 2: Convert to fraction form
    444,339.66/613,186.14 = 240,390/x
  3. Step 3: Cross multiply
    444,339.66x = 613,186.14 × 240,390
  4. Step 4: Simplify right side
    444,339.66x = 147,403,816,194.60
  5. Step 5: Solve for x
    x = 147,403,816,194.60/444,339.66
  6. Step 6: Final answer
    x = 331,736.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.