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Finding the Fourth Proportional to 199,490.25, 275,296.55 and 110,066.25

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Solution

The fourth proportional to 199,490.25, 275,296.55 and 110,066.25 is: 151,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,490.25 : 275,296.55 = 110,066.25 : x
  2. Step 2: Convert to fraction form
    199,490.25/275,296.55 = 110,066.25/x
  3. Step 3: Cross multiply
    199,490.25x = 275,296.55 × 110,066.25
  4. Step 4: Simplify right side
    199,490.25x = 30,300,858,346.11
  5. Step 5: Solve for x
    x = 30,300,858,346.11/199,490.25
  6. Step 6: Final answer
    x = 151,891.43

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1.5x scale

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.