Finding the Fourth Proportional to 210,571.38, 290,589.66 and 118,692.09
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Solution
The fourth proportional to 210,571.38, 290,589.66 and 118,692.09 is: 163,795.74
Step by Step Solution
- Step 1: Write the proportion equation
210,571.38 : 290,589.66 = 118,692.09 : x - Step 2: Convert to fraction form
210,571.38/290,589.66 = 118,692.09/x - Step 3: Cross multiply
210,571.38x = 290,589.66 × 118,692.09 - Step 4: Simplify right side
210,571.38x = 34,490,693,648.05 - Step 5: Solve for x
x = 34,490,693,648.05/210,571.38 - Step 6: Final answer
x = 163,795.74
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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.