Finding the Fourth Proportional to 299,091.73, 448,635.29 and 74,450.63
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Solution
The fourth proportional to 299,091.73, 448,635.29 and 74,450.63 is: 111,675.37
Step by Step Solution
- Step 1: Write the proportion equation
299,091.73 : 448,635.29 = 74,450.63 : x - Step 2: Convert to fraction form
299,091.73/448,635.29 = 74,450.63/x - Step 3: Cross multiply
299,091.73x = 448,635.29 × 74,450.63 - Step 4: Simplify right side
299,091.73x = 33,401,179,980.73 - Step 5: Solve for x
x = 33,401,179,980.73/299,091.73 - Step 6: Final answer
x = 111,675.37
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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.