Finding the Fourth Proportional to 304,361.74, 420,165.66 and 202,556.62
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Solution
The fourth proportional to 304,361.74, 420,165.66 and 202,556.62 is: 279,625.61
Step by Step Solution
- Step 1: Write the proportion equation
304,361.74 : 420,165.66 = 202,556.62 : x - Step 2: Convert to fraction form
304,361.74/420,165.66 = 202,556.62/x - Step 3: Cross multiply
304,361.74x = 420,165.66 × 202,556.62 - Step 4: Simplify right side
304,361.74x = 85,107,335,929.67 - Step 5: Solve for x
x = 85,107,335,929.67/304,361.74 - Step 6: Final answer
x = 279,625.61
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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.