Finding the Fourth Proportional to 299,549.84, 449,324.76 and 205,771.28
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Solution
The fourth proportional to 299,549.84, 449,324.76 and 205,771.28 is: 308,656.92
Step by Step Solution
- Step 1: Write the proportion equation
299,549.84 : 449,324.76 = 205,771.28 : x - Step 2: Convert to fraction form
299,549.84/449,324.76 = 205,771.28/x - Step 3: Cross multiply
299,549.84x = 449,324.76 × 205,771.28 - Step 4: Simplify right side
299,549.84x = 92,458,131,000.89 - Step 5: Solve for x
x = 92,458,131,000.89/299,549.84 - Step 6: Final answer
x = 308,656.92
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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.