Finding the Fourth Proportional to 202,843.80, 304,265.70 and 84,475.80
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Solution
The fourth proportional to 202,843.80, 304,265.70 and 84,475.80 is: 126,713.70
Step by Step Solution
- Step 1: Write the proportion equation
202,843.80 : 304,265.70 = 84,475.80 : x - Step 2: Convert to fraction form
202,843.80/304,265.70 = 84,475.80/x - Step 3: Cross multiply
202,843.80x = 304,265.70 × 84,475.80 - Step 4: Simplify right side
202,843.80x = 25,703,088,420.06 - Step 5: Solve for x
x = 25,703,088,420.06/202,843.80 - Step 6: Final answer
x = 126,713.70
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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.