Finding the Fourth Proportional to 161,376.84, 222,692.99 and 88,775.12
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Solution
The fourth proportional to 161,376.84, 222,692.99 and 88,775.12 is: 122,505.78
Step by Step Solution
- Step 1: Write the proportion equation
161,376.84 : 222,692.99 = 88,775.12 : x - Step 2: Convert to fraction form
161,376.84/222,692.99 = 88,775.12/x - Step 3: Cross multiply
161,376.84x = 222,692.99 × 88,775.12 - Step 4: Simplify right side
161,376.84x = 19,769,595,353.07 - Step 5: Solve for x
x = 19,769,595,353.07/161,376.84 - Step 6: Final answer
x = 122,505.78
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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.