Finding the Fourth Proportional to 211,207.26, 291,232.53 and 134,605.11
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Solution
The fourth proportional to 211,207.26, 291,232.53 and 134,605.11 is: 185,606.25
Step by Step Solution
- Step 1: Write the proportion equation
211,207.26 : 291,232.53 = 134,605.11 : x - Step 2: Convert to fraction form
211,207.26/291,232.53 = 134,605.11/x - Step 3: Cross multiply
211,207.26x = 291,232.53 × 134,605.11 - Step 4: Simplify right side
211,207.26x = 39,201,386,736.23 - Step 5: Solve for x
x = 39,201,386,736.23/211,207.26 - Step 6: Final answer
x = 185,606.25
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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.