Finding the Fourth Proportional to 207,716.58, 286,686.21 and 198,250.53
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Solution
The fourth proportional to 207,716.58, 286,686.21 and 198,250.53 is: 273,621.36
Step by Step Solution
- Step 1: Write the proportion equation
207,716.58 : 286,686.21 = 198,250.53 : x - Step 2: Convert to fraction form
207,716.58/286,686.21 = 198,250.53/x - Step 3: Cross multiply
207,716.58x = 286,686.21 × 198,250.53 - Step 4: Simplify right side
207,716.58x = 56,835,693,076.19 - Step 5: Solve for x
x = 56,835,693,076.19/207,716.58 - Step 6: Final answer
x = 273,621.36
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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.