Finding the Fourth Proportional to 99,951.97, 149,884.21 and 29,817.31
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Solution
The fourth proportional to 99,951.97, 149,884.21 and 29,817.31 is: 44,712.91
Step by Step Solution
- Step 1: Write the proportion equation
99,951.97 : 149,884.21 = 29,817.31 : x - Step 2: Convert to fraction form
99,951.97/149,884.21 = 29,817.31/x - Step 3: Cross multiply
99,951.97x = 149,884.21 × 29,817.31 - Step 4: Simplify right side
99,951.97x = 4,469,143,055.17 - Step 5: Solve for x
x = 4,469,143,055.17/99,951.97 - Step 6: Final answer
x = 44,712.91
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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.