Finding the Fourth Proportional to 198,848.40, 274,414.08 and 108,208.19
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Solution
The fourth proportional to 198,848.40, 274,414.08 and 108,208.19 is: 149,329.08
Step by Step Solution
- Step 1: Write the proportion equation
198,848.40 : 274,414.08 = 108,208.19 : x - Step 2: Convert to fraction form
198,848.40/274,414.08 = 108,208.19/x - Step 3: Cross multiply
198,848.40x = 274,414.08 × 108,208.19 - Step 4: Simplify right side
198,848.40x = 29,693,849,535.24 - Step 5: Solve for x
x = 29,693,849,535.24/198,848.40 - Step 6: Final answer
x = 149,329.08
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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.