Finding the Fourth Proportional to 211,082.44, 291,293.88 and 115,589.15
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Solution
The fourth proportional to 211,082.44, 291,293.88 and 115,589.15 is: 159,513.09
Step by Step Solution
- Step 1: Write the proportion equation
211,082.44 : 291,293.88 = 115,589.15 : x - Step 2: Convert to fraction form
211,082.44/291,293.88 = 115,589.15/x - Step 3: Cross multiply
211,082.44x = 291,293.88 × 115,589.15 - Step 4: Simplify right side
211,082.44x = 33,670,411,989.40 - Step 5: Solve for x
x = 33,670,411,989.40/211,082.44 - Step 6: Final answer
x = 159,513.09
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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.