Finding the Fourth Proportional to 212,861.26, 293,750.58 and 117,371.44
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Solution
The fourth proportional to 212,861.26, 293,750.58 and 117,371.44 is: 161,973.71
Step by Step Solution
- Step 1: Write the proportion equation
212,861.26 : 293,750.58 = 117,371.44 : x - Step 2: Convert to fraction form
212,861.26/293,750.58 = 117,371.44/x - Step 3: Cross multiply
212,861.26x = 293,750.58 × 117,371.44 - Step 4: Simplify right side
212,861.26x = 34,477,928,575.44 - Step 5: Solve for x
x = 34,477,928,575.44/212,861.26 - Step 6: Final answer
x = 161,973.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.