Finding the Fourth Proportional to 351,623.44, 485,241.83 and 190,478.49
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Solution
The fourth proportional to 351,623.44, 485,241.83 and 190,478.49 is: 262,861.12
Step by Step Solution
- Step 1: Write the proportion equation
351,623.44 : 485,241.83 = 190,478.49 : x - Step 2: Convert to fraction form
351,623.44/485,241.83 = 190,478.49/x - Step 3: Cross multiply
351,623.44x = 485,241.83 × 190,478.49 - Step 4: Simplify right side
351,623.44x = 92,428,131,063.24 - Step 5: Solve for x
x = 92,428,131,063.24/351,623.44 - Step 6: Final answer
x = 262,861.12
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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.