Finding the Fourth Proportional to 275,159.36, 379,713.99 and 154,297.99
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Solution
The fourth proportional to 275,159.36, 379,713.99 and 154,297.99 is: 212,927.90
Step by Step Solution
- Step 1: Write the proportion equation
275,159.36 : 379,713.99 = 154,297.99 : x - Step 2: Convert to fraction form
275,159.36/379,713.99 = 154,297.99/x - Step 3: Cross multiply
275,159.36x = 379,713.99 × 154,297.99 - Step 4: Simplify right side
275,159.36x = 58,589,105,431.88 - Step 5: Solve for x
x = 58,589,105,431.88/275,159.36 - Step 6: Final answer
x = 212,927.90
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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.