Finding the Fourth Proportional to 197,993.16, 273,230.42 and 107,352.14
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Solution
The fourth proportional to 197,993.16, 273,230.42 and 107,352.14 is: 148,145.87
Step by Step Solution
- Step 1: Write the proportion equation
197,993.16 : 273,230.42 = 107,352.14 : x - Step 2: Convert to fraction form
197,993.16/273,230.42 = 107,352.14/x - Step 3: Cross multiply
197,993.16x = 273,230.42 × 107,352.14 - Step 4: Simplify right side
197,993.16x = 29,331,868,397.19 - Step 5: Solve for x
x = 29,331,868,397.19/197,993.16 - Step 6: Final answer
x = 148,145.87
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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.