Finding the Fourth Proportional to 292,028.62, 438,096.96 and 92,399.26
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Solution
The fourth proportional to 292,028.62, 438,096.96 and 92,399.26 is: 138,615.99
Step by Step Solution
- Step 1: Write the proportion equation
292,028.62 : 438,096.96 = 92,399.26 : x - Step 2: Convert to fraction form
292,028.62/438,096.96 = 92,399.26/x - Step 3: Cross multiply
292,028.62x = 438,096.96 × 92,399.26 - Step 4: Simplify right side
292,028.62x = 40,479,834,912.25 - Step 5: Solve for x
x = 40,479,834,912.25/292,028.62 - Step 6: Final answer
x = 138,615.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.