Finding the Fourth Proportional to 394,213.42, 590,461.26 and 259,124.99
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Solution
The fourth proportional to 394,213.42, 590,461.26 and 259,124.99 is: 388,122.93
Step by Step Solution
- Step 1: Write the proportion equation
394,213.42 : 590,461.26 = 259,124.99 : x - Step 2: Convert to fraction form
394,213.42/590,461.26 = 259,124.99/x - Step 3: Cross multiply
394,213.42x = 590,461.26 × 259,124.99 - Step 4: Simplify right side
394,213.42x = 153,003,265,140.58 - Step 5: Solve for x
x = 153,003,265,140.58/394,213.42 - Step 6: Final answer
x = 388,122.93
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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.