Finding the Fourth Proportional to 168,692.10, 232,790.74 and 92,211.38
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Solution
The fourth proportional to 168,692.10, 232,790.74 and 92,211.38 is: 127,249.32
Step by Step Solution
- Step 1: Write the proportion equation
168,692.10 : 232,790.74 = 92,211.38 : x - Step 2: Convert to fraction form
168,692.10/232,790.74 = 92,211.38/x - Step 3: Cross multiply
168,692.10x = 232,790.74 × 92,211.38 - Step 4: Simplify right side
168,692.10x = 21,465,955,386.62 - Step 5: Solve for x
x = 21,465,955,386.62/168,692.10 - Step 6: Final answer
x = 127,249.32
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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.