Finding the Fourth Proportional to 99,361.77, 149,042.75 and 40,197.94
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Solution
The fourth proportional to 99,361.77, 149,042.75 and 40,197.94 is: 60,296.95
Step by Step Solution
- Step 1: Write the proportion equation
99,361.77 : 149,042.75 = 40,197.94 : x - Step 2: Convert to fraction form
99,361.77/149,042.75 = 40,197.94/x - Step 3: Cross multiply
99,361.77x = 149,042.75 × 40,197.94 - Step 4: Simplify right side
99,361.77x = 5,991,211,521.94 - Step 5: Solve for x
x = 5,991,211,521.94/99,361.77 - Step 6: Final answer
x = 60,296.95
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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.