Finding the Fourth Proportional to 226,902.96, 340,394.94 and 77,135.37
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Solution
The fourth proportional to 226,902.96, 340,394.94 and 77,135.37 is: 115,716.82
Step by Step Solution
- Step 1: Write the proportion equation
226,902.96 : 340,394.94 = 77,135.37 : x - Step 2: Convert to fraction form
226,902.96/340,394.94 = 77,135.37/x - Step 3: Cross multiply
226,902.96x = 340,394.94 × 77,135.37 - Step 4: Simplify right side
226,902.96x = 26,256,489,643.03 - Step 5: Solve for x
x = 26,256,489,643.03/226,902.96 - Step 6: Final answer
x = 115,716.82
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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.