Finding the Fourth Proportional to 145,748.97, 218,548.73 and 66,794.63
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Solution
The fourth proportional to 145,748.97, 218,548.73 and 66,794.63 is: 100,157.69
Step by Step Solution
- Step 1: Write the proportion equation
145,748.97 : 218,548.73 = 66,794.63 : x - Step 2: Convert to fraction form
145,748.97/218,548.73 = 66,794.63/x - Step 3: Cross multiply
145,748.97x = 218,548.73 × 66,794.63 - Step 4: Simplify right side
145,748.97x = 14,597,880,631.56 - Step 5: Solve for x
x = 14,597,880,631.56/145,748.97 - Step 6: Final answer
x = 100,157.69
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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.