Finding the Fourth Proportional to 161,301.84, 222,601.68 and 89,684.88
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Solution
The fourth proportional to 161,301.84, 222,601.68 and 89,684.88 is: 123,767.99
Step by Step Solution
- Step 1: Write the proportion equation
161,301.84 : 222,601.68 = 89,684.88 : x - Step 2: Convert to fraction form
161,301.84/222,601.68 = 89,684.88/x - Step 3: Cross multiply
161,301.84x = 222,601.68 × 89,684.88 - Step 4: Simplify right side
161,301.84x = 19,964,004,958.60 - Step 5: Solve for x
x = 19,964,004,958.60/161,301.84 - Step 6: Final answer
x = 123,767.99
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1.5x scale
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.