Finding the Fourth Proportional to 99,447.12, 149,138.88 and 32,874.84
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Solution
The fourth proportional to 99,447.12, 149,138.88 and 32,874.84 is: 49,301.75
Step by Step Solution
- Step 1: Write the proportion equation
99,447.12 : 149,138.88 = 32,874.84 : x - Step 2: Convert to fraction form
99,447.12/149,138.88 = 32,874.84/x - Step 3: Cross multiply
99,447.12x = 149,138.88 × 32,874.84 - Step 4: Simplify right side
99,447.12x = 4,902,916,817.78 - Step 5: Solve for x
x = 4,902,916,817.78/99,447.12 - Step 6: Final answer
x = 49,301.75
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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.