Finding the Fourth Proportional to 236,065.74, 325,770.60 and 128,635.62
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Solution
The fourth proportional to 236,065.74, 325,770.60 and 128,635.62 is: 177,517.09
Step by Step Solution
- Step 1: Write the proportion equation
236,065.74 : 325,770.60 = 128,635.62 : x - Step 2: Convert to fraction form
236,065.74/325,770.60 = 128,635.62/x - Step 3: Cross multiply
236,065.74x = 325,770.60 × 128,635.62 - Step 4: Simplify right side
236,065.74x = 41,905,703,108.77 - Step 5: Solve for x
x = 41,905,703,108.77/236,065.74 - Step 6: Final answer
x = 177,517.09
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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.