Finding the Fourth Proportional to 198,368.96, 273,832.97 and 133,925.49
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Solution
The fourth proportional to 198,368.96, 273,832.97 and 133,925.49 is: 184,873.76
Step by Step Solution
- Step 1: Write the proportion equation
198,368.96 : 273,832.97 = 133,925.49 : x - Step 2: Convert to fraction form
198,368.96/273,832.97 = 133,925.49/x - Step 3: Cross multiply
198,368.96x = 273,832.97 × 133,925.49 - Step 4: Simplify right side
198,368.96x = 36,673,215,020.22 - Step 5: Solve for x
x = 36,673,215,020.22/198,368.96 - Step 6: Final answer
x = 184,873.76
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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.