Finding the Fourth Proportional to 222,284.97, 306,753.30 and 121,682.97
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Solution
The fourth proportional to 222,284.97, 306,753.30 and 121,682.97 is: 167,922.52
Step by Step Solution
- Step 1: Write the proportion equation
222,284.97 : 306,753.30 = 121,682.97 : x - Step 2: Convert to fraction form
222,284.97/306,753.30 = 121,682.97/x - Step 3: Cross multiply
222,284.97x = 306,753.30 × 121,682.97 - Step 4: Simplify right side
222,284.97x = 37,326,652,601.30 - Step 5: Solve for x
x = 37,326,652,601.30/222,284.97 - Step 6: Final answer
x = 167,922.52
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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.