Finding the Fourth Proportional to 161,207.64, 222,462.10 and 89,585.84
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Solution
The fourth proportional to 161,207.64, 222,462.10 and 89,585.84 is: 123,625.99
Step by Step Solution
- Step 1: Write the proportion equation
161,207.64 : 222,462.10 = 89,585.84 : x - Step 2: Convert to fraction form
161,207.64/222,462.10 = 89,585.84/x - Step 3: Cross multiply
161,207.64x = 222,462.10 × 89,585.84 - Step 4: Simplify right side
161,207.64x = 19,929,454,096.66 - Step 5: Solve for x
x = 19,929,454,096.66/161,207.64 - Step 6: Final answer
x = 123,625.99
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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.