Finding the Fourth Proportional to 202,990.70, 304,486.05 and 192,104.30
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Solution
The fourth proportional to 202,990.70, 304,486.05 and 192,104.30 is: 288,156.45
Step by Step Solution
- Step 1: Write the proportion equation
202,990.70 : 304,486.05 = 192,104.30 : x - Step 2: Convert to fraction form
202,990.70/304,486.05 = 192,104.30/x - Step 3: Cross multiply
202,990.70x = 304,486.05 × 192,104.30 - Step 4: Simplify right side
202,990.70x = 58,493,079,495.02 - Step 5: Solve for x
x = 58,493,079,495.02/202,990.70 - Step 6: Final answer
x = 288,156.45
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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.