Finding the Fourth Proportional to 99,443.24, 149,120.22 and 29,297.96
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Solution
The fourth proportional to 99,443.24, 149,120.22 and 29,297.96 is: 43,933.79
Step by Step Solution
- Step 1: Write the proportion equation
99,443.24 : 149,120.22 = 29,297.96 : x - Step 2: Convert to fraction form
99,443.24/149,120.22 = 29,297.96/x - Step 3: Cross multiply
99,443.24x = 149,120.22 × 29,297.96 - Step 4: Simplify right side
99,443.24x = 4,368,918,240.75 - Step 5: Solve for x
x = 4,368,918,240.75/99,443.24 - Step 6: Final answer
x = 43,933.79
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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.