Finding the Fourth Proportional to 236,180.26, 325,926.06 and 128,747.92
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Solution
The fourth proportional to 236,180.26, 325,926.06 and 128,747.92 is: 177,670.66
Step by Step Solution
- Step 1: Write the proportion equation
236,180.26 : 325,926.06 = 128,747.92 : x - Step 2: Convert to fraction form
236,180.26/325,926.06 = 128,747.92/x - Step 3: Cross multiply
236,180.26x = 325,926.06 × 128,747.92 - Step 4: Simplify right side
236,180.26x = 41,962,302,298.80 - Step 5: Solve for x
x = 41,962,302,298.80/236,180.26 - Step 6: Final answer
x = 177,670.66
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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.