Finding the Fourth Proportional to 352,716.06, 486,691.29 and 216,706.26
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Solution
The fourth proportional to 352,716.06, 486,691.29 and 216,706.26 is: 299,019.70
Step by Step Solution
- Step 1: Write the proportion equation
352,716.06 : 486,691.29 = 216,706.26 : x - Step 2: Convert to fraction form
352,716.06/486,691.29 = 216,706.26/x - Step 3: Cross multiply
352,716.06x = 486,691.29 × 216,706.26 - Step 4: Simplify right side
352,716.06x = 105,469,049,230.48 - Step 5: Solve for x
x = 105,469,049,230.48/352,716.06 - Step 6: Final answer
x = 299,019.70
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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.