Finding the Fourth Proportional to 281,625.24, 422,438.62 and 81,950.42
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Solution
The fourth proportional to 281,625.24, 422,438.62 and 81,950.42 is: 122,925.85
Step by Step Solution
- Step 1: Write the proportion equation
281,625.24 : 422,438.62 = 81,950.42 : x - Step 2: Convert to fraction form
281,625.24/422,438.62 = 81,950.42/x - Step 3: Cross multiply
281,625.24x = 422,438.62 × 81,950.42 - Step 4: Simplify right side
281,625.24x = 34,619,022,333.22 - Step 5: Solve for x
x = 34,619,022,333.22/281,625.24 - Step 6: Final answer
x = 122,925.85
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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.