Finding the Fourth Proportional to 281,918.26, 389,046.81 and 154,593.82
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Solution
The fourth proportional to 281,918.26, 389,046.81 and 154,593.82 is: 213,339.26
Step by Step Solution
- Step 1: Write the proportion equation
281,918.26 : 389,046.81 = 154,593.82 : x - Step 2: Convert to fraction form
281,918.26/389,046.81 = 154,593.82/x - Step 3: Cross multiply
281,918.26x = 389,046.81 × 154,593.82 - Step 4: Simplify right side
281,918.26x = 60,144,232,516.71 - Step 5: Solve for x
x = 60,144,232,516.71/281,918.26 - Step 6: Final answer
x = 213,339.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.