Finding the Fourth Proportional to 255,837.26, 352,984.56 and 165,197.05
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Solution
The fourth proportional to 255,837.26, 352,984.56 and 165,197.05 is: 227,926.17
Step by Step Solution
- Step 1: Write the proportion equation
255,837.26 : 352,984.56 = 165,197.05 : x - Step 2: Convert to fraction form
255,837.26/352,984.56 = 165,197.05/x - Step 3: Cross multiply
255,837.26x = 352,984.56 × 165,197.05 - Step 4: Simplify right side
255,837.26x = 58,312,008,007.55 - Step 5: Solve for x
x = 58,312,008,007.55/255,837.26 - Step 6: Final answer
x = 227,926.17
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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.