Finding the Fourth Proportional to 196,194.96, 270,740.88 and 115,625.88
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Solution
The fourth proportional to 196,194.96, 270,740.88 and 115,625.88 is: 159,558.90
Step by Step Solution
- Step 1: Write the proportion equation
196,194.96 : 270,740.88 = 115,625.88 : x - Step 2: Convert to fraction form
196,194.96/270,740.88 = 115,625.88/x - Step 3: Cross multiply
196,194.96x = 270,740.88 × 115,625.88 - Step 4: Simplify right side
196,194.96x = 31,304,652,501.97 - Step 5: Solve for x
x = 31,304,652,501.97/196,194.96 - Step 6: Final answer
x = 159,558.90
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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.