Finding the Fourth Proportional to 299,481.22, 449,071.97 and 99,731.98
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Solution
The fourth proportional to 299,481.22, 449,071.97 and 99,731.98 is: 149,548.06
Step by Step Solution
- Step 1: Write the proportion equation
299,481.22 : 449,071.97 = 99,731.98 : x - Step 2: Convert to fraction form
299,481.22/449,071.97 = 99,731.98/x - Step 3: Cross multiply
299,481.22x = 449,071.97 × 99,731.98 - Step 4: Simplify right side
299,481.22x = 44,786,834,485.24 - Step 5: Solve for x
x = 44,786,834,485.24/299,481.22 - Step 6: Final answer
x = 149,548.06
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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.