Finding the Fourth Proportional to 143,176.43, 214,811.35 and 68,286.84
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Solution
The fourth proportional to 143,176.43, 214,811.35 and 68,286.84 is: 102,452.54
Step by Step Solution
- Step 1: Write the proportion equation
143,176.43 : 214,811.35 = 68,286.84 : x - Step 2: Convert to fraction form
143,176.43/214,811.35 = 68,286.84/x - Step 3: Cross multiply
143,176.43x = 214,811.35 × 68,286.84 - Step 4: Simplify right side
143,176.43x = 14,668,788,287.63 - Step 5: Solve for x
x = 14,668,788,287.63/143,176.43 - Step 6: Final answer
x = 102,452.54
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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.