Finding the Fourth Proportional to 299,755.95, 449,855.66 and 141,984.75
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Solution
The fourth proportional to 299,755.95, 449,855.66 and 141,984.75 is: 213,082.15
Step by Step Solution
- Step 1: Write the proportion equation
299,755.95 : 449,855.66 = 141,984.75 : x - Step 2: Convert to fraction form
299,755.95/449,855.66 = 141,984.75/x - Step 3: Cross multiply
299,755.95x = 449,855.66 × 141,984.75 - Step 4: Simplify right side
299,755.95x = 63,872,643,421.19 - Step 5: Solve for x
x = 63,872,643,421.19/299,755.95 - Step 6: Final answer
x = 213,082.15
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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.