Finding the Fourth Proportional to 143,957.07, 215,974.84 and 44,115.05
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Solution
The fourth proportional to 143,957.07, 215,974.84 and 44,115.05 is: 66,184.60
Step by Step Solution
- Step 1: Write the proportion equation
143,957.07 : 215,974.84 = 44,115.05 : x - Step 2: Convert to fraction form
143,957.07/215,974.84 = 44,115.05/x - Step 3: Cross multiply
143,957.07x = 215,974.84 × 44,115.05 - Step 4: Simplify right side
143,957.07x = 9,527,741,184.70 - Step 5: Solve for x
x = 9,527,741,184.70/143,957.07 - Step 6: Final answer
x = 66,184.60
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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.