Finding the Fourth Proportional to 216,256.81, 324,268.57 and 83,170.57
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Solution
The fourth proportional to 216,256.81, 324,268.57 and 83,170.57 is: 124,710.99
Step by Step Solution
- Step 1: Write the proportion equation
216,256.81 : 324,268.57 = 83,170.57 : x - Step 2: Convert to fraction form
216,256.81/324,268.57 = 83,170.57/x - Step 3: Cross multiply
216,256.81x = 324,268.57 × 83,170.57 - Step 4: Simplify right side
216,256.81x = 26,969,601,799.98 - Step 5: Solve for x
x = 26,969,601,799.98/216,256.81 - Step 6: Final answer
x = 124,710.99
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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.