Finding the Fourth Proportional to 192,941.64, 289,412.61 and 80,560.62
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Solution
The fourth proportional to 192,941.64, 289,412.61 and 80,560.62 is: 120,840.99
Step by Step Solution
- Step 1: Write the proportion equation
192,941.64 : 289,412.61 = 80,560.62 : x - Step 2: Convert to fraction form
192,941.64/289,412.61 = 80,560.62/x - Step 3: Cross multiply
192,941.64x = 289,412.61 × 80,560.62 - Step 4: Simplify right side
192,941.64x = 23,315,259,297.42 - Step 5: Solve for x
x = 23,315,259,297.42/192,941.64 - Step 6: Final answer
x = 120,840.99
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1.5x scale
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.