Finding the Fourth Proportional to 290,973.66, 401,560.11 and 194,010.18
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Solution
The fourth proportional to 290,973.66, 401,560.11 and 194,010.18 is: 267,745.02
Step by Step Solution
- Step 1: Write the proportion equation
290,973.66 : 401,560.11 = 194,010.18 : x - Step 2: Convert to fraction form
290,973.66/401,560.11 = 194,010.18/x - Step 3: Cross multiply
290,973.66x = 401,560.11 × 194,010.18 - Step 4: Simplify right side
290,973.66x = 77,906,749,221.92 - Step 5: Solve for x
x = 77,906,749,221.92/290,973.66 - Step 6: Final answer
x = 267,745.02
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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.