Finding the Fourth Proportional to 202,389.70, 302,806.95 and 132,405.70
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Solution
The fourth proportional to 202,389.70, 302,806.95 and 132,405.70 is: 198,099.84
Step by Step Solution
- Step 1: Write the proportion equation
202,389.70 : 302,806.95 = 132,405.70 : x - Step 2: Convert to fraction form
202,389.70/302,806.95 = 132,405.70/x - Step 3: Cross multiply
202,389.70x = 302,806.95 × 132,405.70 - Step 4: Simplify right side
202,389.70x = 40,093,366,179.62 - Step 5: Solve for x
x = 40,093,366,179.62/202,389.70 - Step 6: Final answer
x = 198,099.84
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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.