Finding the Fourth Proportional to 197,951.94, 273,188.16 and 113,067.18
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Solution
The fourth proportional to 197,951.94, 273,188.16 and 113,067.18 is: 156,040.98
Step by Step Solution
- Step 1: Write the proportion equation
197,951.94 : 273,188.16 = 113,067.18 : x - Step 2: Convert to fraction form
197,951.94/273,188.16 = 113,067.18/x - Step 3: Cross multiply
197,951.94x = 273,188.16 × 113,067.18 - Step 4: Simplify right side
197,951.94x = 30,888,614,860.59 - Step 5: Solve for x
x = 30,888,614,860.59/197,951.94 - Step 6: Final answer
x = 156,040.98
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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.