Finding the Fourth Proportional to 235,692.62, 325,255.21 and 128,262.62
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Solution
The fourth proportional to 235,692.62, 325,255.21 and 128,262.62 is: 177,002.09
Step by Step Solution
- Step 1: Write the proportion equation
235,692.62 : 325,255.21 = 128,262.62 : x - Step 2: Convert to fraction form
235,692.62/325,255.21 = 128,262.62/x - Step 3: Cross multiply
235,692.62x = 325,255.21 × 128,262.62 - Step 4: Simplify right side
235,692.62x = 41,718,085,895.73 - Step 5: Solve for x
x = 41,718,085,895.73/235,692.62 - Step 6: Final answer
x = 177,002.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.