Finding the Fourth Proportional to 356,367.99, 491,793.40 and 195,212.40
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Solution
The fourth proportional to 356,367.99, 491,793.40 and 195,212.40 is: 269,396.17
Step by Step Solution
- Step 1: Write the proportion equation
356,367.99 : 491,793.40 = 195,212.40 : x - Step 2: Convert to fraction form
356,367.99/491,793.40 = 195,212.40/x - Step 3: Cross multiply
356,367.99x = 491,793.40 × 195,212.40 - Step 4: Simplify right side
356,367.99x = 96,004,169,918.16 - Step 5: Solve for x
x = 96,004,169,918.16/356,367.99 - Step 6: Final answer
x = 269,396.17
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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.