Finding the Fourth Proportional to 216,361.25, 298,558.40 and 125,716.26
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Solution
The fourth proportional to 216,361.25, 298,558.40 and 125,716.26 is: 173,476.75
Step by Step Solution
- Step 1: Write the proportion equation
216,361.25 : 298,558.40 = 125,716.26 : x - Step 2: Convert to fraction form
216,361.25/298,558.40 = 125,716.26/x - Step 3: Cross multiply
216,361.25x = 298,558.40 × 125,716.26 - Step 4: Simplify right side
216,361.25x = 37,533,644,811.00 - Step 5: Solve for x
x = 37,533,644,811.00/216,361.25 - Step 6: Final answer
x = 173,476.75
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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.