Finding the Fourth Proportional to 198,936.04, 274,536.84 and 122,426.68
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Solution
The fourth proportional to 198,936.04, 274,536.84 and 122,426.68 is: 168,951.96
Step by Step Solution
- Step 1: Write the proportion equation
198,936.04 : 274,536.84 = 122,426.68 : x - Step 2: Convert to fraction form
198,936.04/274,536.84 = 122,426.68/x - Step 3: Cross multiply
198,936.04x = 274,536.84 × 122,426.68 - Step 4: Simplify right side
198,936.04x = 33,610,633,858.89 - Step 5: Solve for x
x = 33,610,633,858.89/198,936.04 - Step 6: Final answer
x = 168,951.96
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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.