Finding the Fourth Proportional to 205,418.11, 283,450.94 and 120,504.19
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Solution
The fourth proportional to 205,418.11, 283,450.94 and 120,504.19 is: 166,280.50
Step by Step Solution
- Step 1: Write the proportion equation
205,418.11 : 283,450.94 = 120,504.19 : x - Step 2: Convert to fraction form
205,418.11/283,450.94 = 120,504.19/x - Step 3: Cross multiply
205,418.11x = 283,450.94 × 120,504.19 - Step 4: Simplify right side
205,418.11x = 34,157,024,618.29 - Step 5: Solve for x
x = 34,157,024,618.29/205,418.11 - Step 6: Final answer
x = 166,280.50
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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.