Finding the Fourth Proportional to 269,683.44, 403,894.98 and 213,144.23
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Solution
The fourth proportional to 269,683.44, 403,894.98 and 213,144.23 is: 319,218.27
Step by Step Solution
- Step 1: Write the proportion equation
269,683.44 : 403,894.98 = 213,144.23 : x - Step 2: Convert to fraction form
269,683.44/403,894.98 = 213,144.23/x - Step 3: Cross multiply
269,683.44x = 403,894.98 × 213,144.23 - Step 4: Simplify right side
269,683.44x = 86,087,882,493.49 - Step 5: Solve for x
x = 86,087,882,493.49/269,683.44 - Step 6: Final answer
x = 319,218.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.