Finding the Fourth Proportional to 151,608.68, 209,277.62 and 113,992.20
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Solution
The fourth proportional to 151,608.68, 209,277.62 and 113,992.20 is: 157,352.58
Step by Step Solution
- Step 1: Write the proportion equation
151,608.68 : 209,277.62 = 113,992.20 : x - Step 2: Convert to fraction form
151,608.68/209,277.62 = 113,992.20/x - Step 3: Cross multiply
151,608.68x = 209,277.62 × 113,992.20 - Step 4: Simplify right side
151,608.68x = 23,856,016,314.56 - Step 5: Solve for x
x = 23,856,016,314.56/151,608.68 - Step 6: Final answer
x = 157,352.58
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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.