Finding the Fourth Proportional to 591,361.09, 816,088.51 and 349,685.31
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Solution
The fourth proportional to 591,361.09, 816,088.51 and 349,685.31 is: 482,571.76
Step by Step Solution
- Step 1: Write the proportion equation
591,361.09 : 816,088.51 = 349,685.31 : x - Step 2: Convert to fraction form
591,361.09/816,088.51 = 349,685.31/x - Step 3: Cross multiply
591,361.09x = 816,088.51 × 349,685.31 - Step 4: Simplify right side
591,361.09x = 285,374,163,606.79 - Step 5: Solve for x
x = 285,374,163,606.79/591,361.09 - Step 6: Final answer
x = 482,571.76
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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.