Finding the Fourth Proportional to 266,163.75, 367,306.56 and 145,305.05
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Solution
The fourth proportional to 266,163.75, 367,306.56 and 145,305.05 is: 200,521.28
Step by Step Solution
- Step 1: Write the proportion equation
266,163.75 : 367,306.56 = 145,305.05 : x - Step 2: Convert to fraction form
266,163.75/367,306.56 = 145,305.05/x - Step 3: Cross multiply
266,163.75x = 367,306.56 × 145,305.05 - Step 4: Simplify right side
266,163.75x = 53,371,496,229.60 - Step 5: Solve for x
x = 53,371,496,229.60/266,163.75 - Step 6: Final answer
x = 200,521.28
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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.