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Finding the Fourth Proportional to 199,425, 275,206.50 and 110,001

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Solution

The fourth proportional to 199,425, 275,206.50 and 110,001 is: 151,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,425 : 275,206.50 = 110,001 : x
  2. Step 2: Convert to fraction form
    199,425/275,206.50 = 110,001/x
  3. Step 3: Cross multiply
    199,425x = 275,206.50 × 110,001
  4. Step 4: Simplify right side
    199,425x = 30,272,990,206.50
  5. Step 5: Solve for x
    x = 30,272,990,206.50/199,425
  6. Step 6: Final answer
    x = 151,801.38

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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.