Finding the Fourth Proportional to 202,839.40, 304,230.30 and 69,725.80
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Solution
The fourth proportional to 202,839.40, 304,230.30 and 69,725.80 is: 104,578.80
Step by Step Solution
- Step 1: Write the proportion equation
202,839.40 : 304,230.30 = 69,725.80 : x - Step 2: Convert to fraction form
202,839.40/304,230.30 = 69,725.80/x - Step 3: Cross multiply
202,839.40x = 304,230.30 × 69,725.80 - Step 4: Simplify right side
202,839.40x = 21,212,701,051.74 - Step 5: Solve for x
x = 21,212,701,051.74/202,839.40 - Step 6: Final answer
x = 104,578.80
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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.