Finding the Fourth Proportional to 170,684.94, 235,633.81 and 124,692.97
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Solution
The fourth proportional to 170,684.94, 235,633.81 and 124,692.97 is: 172,141.02
Step by Step Solution
- Step 1: Write the proportion equation
170,684.94 : 235,633.81 = 124,692.97 : x - Step 2: Convert to fraction form
170,684.94/235,633.81 = 124,692.97/x - Step 3: Cross multiply
170,684.94x = 235,633.81 × 124,692.97 - Step 4: Simplify right side
170,684.94x = 29,381,879,601.32 - Step 5: Solve for x
x = 29,381,879,601.32/170,684.94 - Step 6: Final answer
x = 172,141.02
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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.