Finding the Fourth Proportional to 236,044.26, 325,736.98 and 128,615.18
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Solution
The fourth proportional to 236,044.26, 325,736.98 and 128,615.18 is: 177,486.71
Step by Step Solution
- Step 1: Write the proportion equation
236,044.26 : 325,736.98 = 128,615.18 : x - Step 2: Convert to fraction form
236,044.26/325,736.98 = 128,615.18/x - Step 3: Cross multiply
236,044.26x = 325,736.98 × 128,615.18 - Step 4: Simplify right side
236,044.26x = 41,894,718,365.13 - Step 5: Solve for x
x = 41,894,718,365.13/236,044.26 - Step 6: Final answer
x = 177,486.71
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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.