Finding the Fourth Proportional to 187,446.13, 281,043.95 and 103,245.62
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Solution
The fourth proportional to 187,446.13, 281,043.95 and 103,245.62 is: 154,799.44
Step by Step Solution
- Step 1: Write the proportion equation
187,446.13 : 281,043.95 = 103,245.62 : x - Step 2: Convert to fraction form
187,446.13/281,043.95 = 103,245.62/x - Step 3: Cross multiply
187,446.13x = 281,043.95 × 103,245.62 - Step 4: Simplify right side
187,446.13x = 29,016,554,943.55 - Step 5: Solve for x
x = 29,016,554,943.55/187,446.13 - Step 6: Final answer
x = 154,799.44
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1.5x scale
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.