Finding the Fourth Proportional to 236,103.26, 325,812.98 and 128,670.96
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Solution
The fourth proportional to 236,103.26, 325,812.98 and 128,670.96 is: 177,560.75
Step by Step Solution
- Step 1: Write the proportion equation
236,103.26 : 325,812.98 = 128,670.96 : x - Step 2: Convert to fraction form
236,103.26/325,812.98 = 128,670.96/x - Step 3: Cross multiply
236,103.26x = 325,812.98 × 128,670.96 - Step 4: Simplify right side
236,103.26x = 41,922,670,460.54 - Step 5: Solve for x
x = 41,922,670,460.54/236,103.26 - Step 6: Final answer
x = 177,560.75
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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.