Finding the Fourth Proportional to 266,520.18, 401,578.44 and 220,173.55
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Solution
The fourth proportional to 266,520.18, 401,578.44 and 220,173.55 is: 331,745.80
Step by Step Solution
- Step 1: Write the proportion equation
266,520.18 : 401,578.44 = 220,173.55 : x - Step 2: Convert to fraction form
266,520.18/401,578.44 = 220,173.55/x - Step 3: Cross multiply
266,520.18x = 401,578.44 × 220,173.55 - Step 4: Simplify right side
266,520.18x = 88,416,950,738.26 - Step 5: Solve for x
x = 88,416,950,738.26/266,520.18 - Step 6: Final answer
x = 331,745.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.