Finding the Fourth Proportional to 99,485.58, 149,244.57 and 29,371.98
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Solution
The fourth proportional to 99,485.58, 149,244.57 and 29,371.98 is: 44,062.75
Step by Step Solution
- Step 1: Write the proportion equation
99,485.58 : 149,244.57 = 29,371.98 : x - Step 2: Convert to fraction form
99,485.58/149,244.57 = 29,371.98/x - Step 3: Cross multiply
99,485.58x = 149,244.57 × 29,371.98 - Step 4: Simplify right side
99,485.58x = 4,383,608,525.15 - Step 5: Solve for x
x = 4,383,608,525.15/99,485.58 - Step 6: Final answer
x = 44,062.75
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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.