Finding the Fourth Proportional to 145,840.14, 218,770.93 and 52,346.70
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Solution
The fourth proportional to 145,840.14, 218,770.93 and 52,346.70 is: 78,523.90
Step by Step Solution
- Step 1: Write the proportion equation
145,840.14 : 218,770.93 = 52,346.70 : x - Step 2: Convert to fraction form
145,840.14/218,770.93 = 52,346.70/x - Step 3: Cross multiply
145,840.14x = 218,770.93 × 52,346.70 - Step 4: Simplify right side
145,840.14x = 11,451,936,241.43 - Step 5: Solve for x
x = 11,451,936,241.43/145,840.14 - Step 6: Final answer
x = 78,523.90
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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.