Finding the Fourth Proportional to 299,492.68, 449,208.24 and 99,791.50
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Solution
The fourth proportional to 299,492.68, 449,208.24 and 99,791.50 is: 149,676.99
Step by Step Solution
- Step 1: Write the proportion equation
299,492.68 : 449,208.24 = 99,791.50 : x - Step 2: Convert to fraction form
299,492.68/449,208.24 = 99,791.50/x - Step 3: Cross multiply
299,492.68x = 449,208.24 × 99,791.50 - Step 4: Simplify right side
299,492.68x = 44,827,164,081.96 - Step 5: Solve for x
x = 44,827,164,081.96/299,492.68 - Step 6: Final answer
x = 149,676.99
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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.