Finding the Fourth Proportional to 363,302.99, 501,539.74 and 281,449.11
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Solution
The fourth proportional to 363,302.99, 501,539.74 and 281,449.11 is: 388,540.47
Step by Step Solution
- Step 1: Write the proportion equation
363,302.99 : 501,539.74 = 281,449.11 : x - Step 2: Convert to fraction form
363,302.99/501,539.74 = 281,449.11/x - Step 3: Cross multiply
363,302.99x = 501,539.74 × 281,449.11 - Step 4: Simplify right side
363,302.99x = 141,157,913,452.63 - Step 5: Solve for x
x = 141,157,913,452.63/363,302.99 - Step 6: Final answer
x = 388,540.47
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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.