Finding the Fourth Proportional to 202,828.40, 304,213.80 and 69,714.80
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Solution
The fourth proportional to 202,828.40, 304,213.80 and 69,714.80 is: 104,562.30
Step by Step Solution
- Step 1: Write the proportion equation
202,828.40 : 304,213.80 = 69,714.80 : x - Step 2: Convert to fraction form
202,828.40/304,213.80 = 69,714.80/x - Step 3: Cross multiply
202,828.40x = 304,213.80 × 69,714.80 - Step 4: Simplify right side
202,828.40x = 21,208,204,224.24 - Step 5: Solve for x
x = 21,208,204,224.24/202,828.40 - Step 6: Final answer
x = 104,562.30
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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.