Finding the Fourth Proportional to 161,318.99, 222,622.75 and 88,725.03
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Solution
The fourth proportional to 161,318.99, 222,622.75 and 88,725.03 is: 122,441.94
Step by Step Solution
- Step 1: Write the proportion equation
161,318.99 : 222,622.75 = 88,725.03 : x - Step 2: Convert to fraction form
161,318.99/222,622.75 = 88,725.03/x - Step 3: Cross multiply
161,318.99x = 222,622.75 × 88,725.03 - Step 4: Simplify right side
161,318.99x = 19,752,210,172.43 - Step 5: Solve for x
x = 19,752,210,172.43/161,318.99 - Step 6: Final answer
x = 122,441.94
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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.