Finding the Fourth Proportional to 186,287.62, 279,274.68 and 81,027.31
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Solution
The fourth proportional to 186,287.62, 279,274.68 and 81,027.31 is: 121,472.78
Step by Step Solution
- Step 1: Write the proportion equation
186,287.62 : 279,274.68 = 81,027.31 : x - Step 2: Convert to fraction form
186,287.62/279,274.68 = 81,027.31/x - Step 3: Cross multiply
186,287.62x = 279,274.68 × 81,027.31 - Step 4: Simplify right side
186,287.62x = 22,628,874,675.14 - Step 5: Solve for x
x = 22,628,874,675.14/186,287.62 - Step 6: Final answer
x = 121,472.78
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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.