Finding the Fourth Proportional to 186,116.42, 279,299.70 and 185,431.62
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Solution
The fourth proportional to 186,116.42, 279,299.70 and 185,431.62 is: 278,272.04
Step by Step Solution
- Step 1: Write the proportion equation
186,116.42 : 279,299.70 = 185,431.62 : x - Step 2: Convert to fraction form
186,116.42/279,299.70 = 185,431.62/x - Step 3: Cross multiply
186,116.42x = 279,299.70 × 185,431.62 - Step 4: Simplify right side
186,116.42x = 51,790,995,836.51 - Step 5: Solve for x
x = 51,790,995,836.51/186,116.42 - Step 6: Final answer
x = 278,272.04
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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.