Finding the Fourth Proportional to 198,387.63, 273,858.69 and 133,944.18
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Solution
The fourth proportional to 198,387.63, 273,858.69 and 133,944.18 is: 184,899.52
Step by Step Solution
- Step 1: Write the proportion equation
198,387.63 : 273,858.69 = 133,944.18 : x - Step 2: Convert to fraction form
198,387.63/273,858.69 = 133,944.18/x - Step 3: Cross multiply
198,387.63x = 273,858.69 × 133,944.18 - Step 4: Simplify right side
198,387.63x = 36,681,777,667.92 - Step 5: Solve for x
x = 36,681,777,667.92/198,387.63 - Step 6: Final answer
x = 184,899.52
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1.5x scale
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.