Finding the Fourth Proportional to 275,396.37, 379,743.44 and 190,365.81
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Solution
The fourth proportional to 275,396.37, 379,743.44 and 190,365.81 is: 262,494.99
Step by Step Solution
- Step 1: Write the proportion equation
275,396.37 : 379,743.44 = 190,365.81 : x - Step 2: Convert to fraction form
275,396.37/379,743.44 = 190,365.81/x - Step 3: Cross multiply
275,396.37x = 379,743.44 × 190,365.81 - Step 4: Simplify right side
275,396.37x = 72,290,166,595.96 - Step 5: Solve for x
x = 72,290,166,595.96/275,396.37 - Step 6: Final answer
x = 262,494.99
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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.