Finding the Fourth Proportional to 198,233.80, 297,350.70 and 104,921.80
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Solution
The fourth proportional to 198,233.80, 297,350.70 and 104,921.80 is: 157,382.70
Step by Step Solution
- Step 1: Write the proportion equation
198,233.80 : 297,350.70 = 104,921.80 : x - Step 2: Convert to fraction form
198,233.80/297,350.70 = 104,921.80/x - Step 3: Cross multiply
198,233.80x = 297,350.70 × 104,921.80 - Step 4: Simplify right side
198,233.80x = 31,198,570,675.26 - Step 5: Solve for x
x = 31,198,570,675.26/198,233.80 - Step 6: Final answer
x = 157,382.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.