Finding the Fourth Proportional to 263,635.05, 363,823.04 and 161,716.71
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Solution
The fourth proportional to 263,635.05, 363,823.04 and 161,716.71 is: 223,173.15
Step by Step Solution
- Step 1: Write the proportion equation
263,635.05 : 363,823.04 = 161,716.71 : x - Step 2: Convert to fraction form
263,635.05/363,823.04 = 161,716.71/x - Step 3: Cross multiply
263,635.05x = 363,823.04 × 161,716.71 - Step 4: Simplify right side
263,635.05x = 58,836,264,242.41 - Step 5: Solve for x
x = 58,836,264,242.41/263,635.05 - Step 6: Final answer
x = 223,173.15
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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.