Finding the Fourth Proportional to 226,768.40, 340,201.80 and 68,992.75
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Solution
The fourth proportional to 226,768.40, 340,201.80 and 68,992.75 is: 103,504.09
Step by Step Solution
- Step 1: Write the proportion equation
226,768.40 : 340,201.80 = 68,992.75 : x - Step 2: Convert to fraction form
226,768.40/340,201.80 = 68,992.75/x - Step 3: Cross multiply
226,768.40x = 340,201.80 × 68,992.75 - Step 4: Simplify right side
226,768.40x = 23,471,457,736.95 - Step 5: Solve for x
x = 23,471,457,736.95/226,768.40 - Step 6: Final answer
x = 103,504.09
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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.