Finding the Fourth Proportional to 198,401.94, 273,796.68 and 107,759.70
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Solution
The fourth proportional to 198,401.94, 273,796.68 and 107,759.70 is: 148,709.47
Step by Step Solution
- Step 1: Write the proportion equation
198,401.94 : 273,796.68 = 107,759.70 : x - Step 2: Convert to fraction form
198,401.94/273,796.68 = 107,759.70/x - Step 3: Cross multiply
198,401.94x = 273,796.68 × 107,759.70 - Step 4: Simplify right side
198,401.94x = 29,504,248,097.80 - Step 5: Solve for x
x = 29,504,248,097.80/198,401.94 - Step 6: Final answer
x = 148,709.47
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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.