Finding the Fourth Proportional to 170,945.70, 256,475.52 and 107,692.80
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Solution
The fourth proportional to 170,945.70, 256,475.52 and 107,692.80 is: 161,575.09
Step by Step Solution
- Step 1: Write the proportion equation
170,945.70 : 256,475.52 = 107,692.80 : x - Step 2: Convert to fraction form
170,945.70/256,475.52 = 107,692.80/x - Step 3: Cross multiply
170,945.70x = 256,475.52 × 107,692.80 - Step 4: Simplify right side
170,945.70x = 27,620,566,880.26 - Step 5: Solve for x
x = 27,620,566,880.26/170,945.70 - Step 6: Final answer
x = 161,575.09
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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.