Finding the Fourth Proportional to 281,558.18, 422,476.06 and 131,808.62
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Solution
The fourth proportional to 281,558.18, 422,476.06 and 131,808.62 is: 197,777.90
Step by Step Solution
- Step 1: Write the proportion equation
281,558.18 : 422,476.06 = 131,808.62 : x - Step 2: Convert to fraction form
281,558.18/422,476.06 = 131,808.62/x - Step 3: Cross multiply
281,558.18x = 422,476.06 × 131,808.62 - Step 4: Simplify right side
281,558.18x = 55,685,986,451.64 - Step 5: Solve for x
x = 55,685,986,451.64/281,558.18 - Step 6: Final answer
x = 197,777.90
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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.