Finding the Fourth Proportional to 187,955.64, 281,381.04 and 121,198.68
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Solution
The fourth proportional to 187,955.64, 281,381.04 and 121,198.68 is: 181,441.81
Step by Step Solution
- Step 1: Write the proportion equation
187,955.64 : 281,381.04 = 121,198.68 : x - Step 2: Convert to fraction form
187,955.64/281,381.04 = 121,198.68/x - Step 3: Cross multiply
187,955.64x = 281,381.04 × 121,198.68 - Step 4: Simplify right side
187,955.64x = 34,103,010,625.03 - Step 5: Solve for x
x = 34,103,010,625.03/187,955.64 - Step 6: Final answer
x = 181,441.81
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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.