Finding the Fourth Proportional to 202,137.80, 303,316.05 and 83,821.10
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Solution
The fourth proportional to 202,137.80, 303,316.05 and 83,821.10 is: 125,776.99
Step by Step Solution
- Step 1: Write the proportion equation
202,137.80 : 303,316.05 = 83,821.10 : x - Step 2: Convert to fraction form
202,137.80/303,316.05 = 83,821.10/x - Step 3: Cross multiply
202,137.80x = 303,316.05 × 83,821.10 - Step 4: Simplify right side
202,137.80x = 25,424,284,958.66 - Step 5: Solve for x
x = 25,424,284,958.66/202,137.80 - Step 6: Final answer
x = 125,776.99
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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.