Finding the Fourth Proportional to 260,770.75, 391,094.75 and 71,186.05
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Solution
The fourth proportional to 260,770.75, 391,094.75 and 71,186.05 is: 106,762.32
Step by Step Solution
- Step 1: Write the proportion equation
260,770.75 : 391,094.75 = 71,186.05 : x - Step 2: Convert to fraction form
260,770.75/391,094.75 = 71,186.05/x - Step 3: Cross multiply
260,770.75x = 391,094.75 × 71,186.05 - Step 4: Simplify right side
260,770.75x = 27,840,491,095.07 - Step 5: Solve for x
x = 27,840,491,095.07/260,770.75 - Step 6: Final answer
x = 106,762.32
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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.