Finding the Fourth Proportional to 202,193.80, 303,290.70 and 89,873.80
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Solution
The fourth proportional to 202,193.80, 303,290.70 and 89,873.80 is: 134,810.70
Step by Step Solution
- Step 1: Write the proportion equation
202,193.80 : 303,290.70 = 89,873.80 : x - Step 2: Convert to fraction form
202,193.80/303,290.70 = 89,873.80/x - Step 3: Cross multiply
202,193.80x = 303,290.70 × 89,873.80 - Step 4: Simplify right side
202,193.80x = 27,257,887,713.66 - Step 5: Solve for x
x = 27,257,887,713.66/202,193.80 - Step 6: Final answer
x = 134,810.70
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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.