Finding the Fourth Proportional to 202,647.75, 303,971.63 and 54,903.75
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Solution
The fourth proportional to 202,647.75, 303,971.63 and 54,903.75 is: 82,355.63
Step by Step Solution
- Step 1: Write the proportion equation
202,647.75 : 303,971.63 = 54,903.75 : x - Step 2: Convert to fraction form
202,647.75/303,971.63 = 54,903.75/x - Step 3: Cross multiply
202,647.75x = 303,971.63 × 54,903.75 - Step 4: Simplify right side
202,647.75x = 16,689,182,380.61 - Step 5: Solve for x
x = 16,689,182,380.61/202,647.75 - Step 6: Final answer
x = 82,355.63
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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.