Finding the Fourth Proportional to 113,538.01, 170,375.05 and 46,979.05
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Solution
The fourth proportional to 113,538.01, 170,375.05 and 46,979.05 is: 70,496.72
Step by Step Solution
- Step 1: Write the proportion equation
113,538.01 : 170,375.05 = 46,979.05 : x - Step 2: Convert to fraction form
113,538.01/170,375.05 = 46,979.05/x - Step 3: Cross multiply
113,538.01x = 170,375.05 × 46,979.05 - Step 4: Simplify right side
113,538.01x = 8,004,057,625.49 - Step 5: Solve for x
x = 8,004,057,625.49/113,538.01 - Step 6: Final answer
x = 70,496.72
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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.