Finding the Fourth Proportional to 351,381.44, 484,906.70 and 190,236.60
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Solution
The fourth proportional to 351,381.44, 484,906.70 and 190,236.60 is: 262,526.68
Step by Step Solution
- Step 1: Write the proportion equation
351,381.44 : 484,906.70 = 190,236.60 : x - Step 2: Convert to fraction form
351,381.44/484,906.70 = 190,236.60/x - Step 3: Cross multiply
351,381.44x = 484,906.70 × 190,236.60 - Step 4: Simplify right side
351,381.44x = 92,247,002,400.81 - Step 5: Solve for x
x = 92,247,002,400.81/351,381.44 - Step 6: Final answer
x = 262,526.68
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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.