Finding the Fourth Proportional to 107,416.22, 161,112.99 and 28,538.42
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Solution
The fourth proportional to 107,416.22, 161,112.99 and 28,538.42 is: 42,804.62
Step by Step Solution
- Step 1: Write the proportion equation
107,416.22 : 161,112.99 = 28,538.42 : x - Step 2: Convert to fraction form
107,416.22/161,112.99 = 28,538.42/x - Step 3: Cross multiply
107,416.22x = 161,112.99 × 28,538.42 - Step 4: Simplify right side
107,416.22x = 4,597,910,176.08 - Step 5: Solve for x
x = 4,597,910,176.08/107,416.22 - Step 6: Final answer
x = 42,804.62
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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.