Finding the Fourth Proportional to 198,187.02, 273,383.71 and 126,486.23
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Solution
The fourth proportional to 198,187.02, 273,383.71 and 126,486.23 is: 174,477.99
Step by Step Solution
- Step 1: Write the proportion equation
198,187.02 : 273,383.71 = 126,486.23 : x - Step 2: Convert to fraction form
198,187.02/273,383.71 = 126,486.23/x - Step 3: Cross multiply
198,187.02x = 273,383.71 × 126,486.23 - Step 4: Simplify right side
198,187.02x = 34,579,273,138.18 - Step 5: Solve for x
x = 34,579,273,138.18/198,187.02 - Step 6: Final answer
x = 174,477.99
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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.