Finding the Fourth Proportional to 202,912.20, 304,368.30 and 192,025.80
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Solution
The fourth proportional to 202,912.20, 304,368.30 and 192,025.80 is: 288,038.70
Step by Step Solution
- Step 1: Write the proportion equation
202,912.20 : 304,368.30 = 192,025.80 : x - Step 2: Convert to fraction form
202,912.20/304,368.30 = 192,025.80/x - Step 3: Cross multiply
202,912.20x = 304,368.30 × 192,025.80 - Step 4: Simplify right side
202,912.20x = 58,446,566,302.14 - Step 5: Solve for x
x = 58,446,566,302.14/202,912.20 - Step 6: Final answer
x = 288,038.70
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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.