Finding the Fourth Proportional to 281,692.17, 422,538.14 and 68,458.95
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Solution
The fourth proportional to 281,692.17, 422,538.14 and 68,458.95 is: 102,688.40
Step by Step Solution
- Step 1: Write the proportion equation
281,692.17 : 422,538.14 = 68,458.95 : x - Step 2: Convert to fraction form
281,692.17/422,538.14 = 68,458.95/x - Step 3: Cross multiply
281,692.17x = 422,538.14 × 68,458.95 - Step 4: Simplify right side
281,692.17x = 28,926,517,057.06 - Step 5: Solve for x
x = 28,926,517,057.06/281,692.17 - Step 6: Final answer
x = 102,688.40
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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.