Finding the Fourth Proportional to 213,187.96, 294,195.30 and 117,692.68
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Solution
The fourth proportional to 213,187.96, 294,195.30 and 117,692.68 is: 162,413.64
Step by Step Solution
- Step 1: Write the proportion equation
213,187.96 : 294,195.30 = 117,692.68 : x - Step 2: Convert to fraction form
213,187.96/294,195.30 = 117,692.68/x - Step 3: Cross multiply
213,187.96x = 294,195.30 × 117,692.68 - Step 4: Simplify right side
213,187.96x = 34,624,633,300.40 - Step 5: Solve for x
x = 34,624,633,300.40/213,187.96 - Step 6: Final answer
x = 162,413.64
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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.