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Finding the Fourth Proportional to 248,661.93, 372,995.46 and 199,057.32

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Solution

The fourth proportional to 248,661.93, 372,995.46 and 199,057.32 is: 298,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,661.93 : 372,995.46 = 199,057.32 : x
  2. Step 2: Convert to fraction form
    248,661.93/372,995.46 = 199,057.32/x
  3. Step 3: Cross multiply
    248,661.93x = 372,995.46 × 199,057.32
  4. Step 4: Simplify right side
    248,661.93x = 74,247,476,639.77
  5. Step 5: Solve for x
    x = 74,247,476,639.77/248,661.93
  6. Step 6: Final answer
    x = 298,588.03

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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.