Finding the Fourth Proportional to 179,079.18, 247,147.38 and 102,608.42
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Solution
The fourth proportional to 179,079.18, 247,147.38 and 102,608.42 is: 141,609.99
Step by Step Solution
- Step 1: Write the proportion equation
179,079.18 : 247,147.38 = 102,608.42 : x - Step 2: Convert to fraction form
179,079.18/247,147.38 = 102,608.42/x - Step 3: Cross multiply
179,079.18x = 247,147.38 × 102,608.42 - Step 4: Simplify right side
179,079.18x = 25,359,400,933.20 - Step 5: Solve for x
x = 25,359,400,933.20/179,079.18 - Step 6: Final answer
x = 141,609.99
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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.