Finding the Fourth Proportional to 195,927.36, 270,129.42 and 126,894.84
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Solution
The fourth proportional to 195,927.36, 270,129.42 and 126,894.84 is: 174,952.75
Step by Step Solution
- Step 1: Write the proportion equation
195,927.36 : 270,129.42 = 126,894.84 : x - Step 2: Convert to fraction form
195,927.36/270,129.42 = 126,894.84/x - Step 3: Cross multiply
195,927.36x = 270,129.42 × 126,894.84 - Step 4: Simplify right side
195,927.36x = 34,278,029,530.19 - Step 5: Solve for x
x = 34,278,029,530.19/195,927.36 - Step 6: Final answer
x = 174,952.75
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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.