Finding the Fourth Proportional to 218,497.38, 301,505.84 and 161,167.91
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Solution
The fourth proportional to 218,497.38, 301,505.84 and 161,167.91 is: 222,396.55
Step by Step Solution
- Step 1: Write the proportion equation
218,497.38 : 301,505.84 = 161,167.91 : x - Step 2: Convert to fraction form
218,497.38/301,505.84 = 161,167.91/x - Step 3: Cross multiply
218,497.38x = 301,505.84 × 161,167.91 - Step 4: Simplify right side
218,497.38x = 48,593,063,772.23 - Step 5: Solve for x
x = 48,593,063,772.23/218,497.38 - Step 6: Final answer
x = 222,396.55
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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.