Finding the Fourth Proportional to 198,104.94, 273,383.64 and 107,461.08
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Solution
The fourth proportional to 198,104.94, 273,383.64 and 107,461.08 is: 148,295.65
Step by Step Solution
- Step 1: Write the proportion equation
198,104.94 : 273,383.64 = 107,461.08 : x - Step 2: Convert to fraction form
198,104.94/273,383.64 = 107,461.08/x - Step 3: Cross multiply
198,104.94x = 273,383.64 × 107,461.08 - Step 4: Simplify right side
198,104.94x = 29,378,101,208.73 - Step 5: Solve for x
x = 29,378,101,208.73/198,104.94 - Step 6: Final answer
x = 148,295.65
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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.