Finding the Fourth Proportional to 138,214.82, 207,190.87 and 54,028.96
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Solution
The fourth proportional to 138,214.82, 207,190.87 and 54,028.96 is: 80,992.09
Step by Step Solution
- Step 1: Write the proportion equation
138,214.82 : 207,190.87 = 54,028.96 : x - Step 2: Convert to fraction form
138,214.82/207,190.87 = 54,028.96/x - Step 3: Cross multiply
138,214.82x = 207,190.87 × 54,028.96 - Step 4: Simplify right side
138,214.82x = 11,194,307,227.60 - Step 5: Solve for x
x = 11,194,307,227.60/138,214.82 - Step 6: Final answer
x = 80,992.09
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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.