Finding the Fourth Proportional to 337,129.62, 505,713.84 and 126,769.38
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Solution
The fourth proportional to 337,129.62, 505,713.84 and 126,769.38 is: 190,161.37
Step by Step Solution
- Step 1: Write the proportion equation
337,129.62 : 505,713.84 = 126,769.38 : x - Step 2: Convert to fraction form
337,129.62/505,713.84 = 126,769.38/x - Step 3: Cross multiply
337,129.62x = 505,713.84 × 126,769.38 - Step 4: Simplify right side
337,129.62x = 64,109,029,954.22 - Step 5: Solve for x
x = 64,109,029,954.22/337,129.62 - Step 6: Final answer
x = 190,161.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.