Finding the Fourth Proportional to 202,714.40, 304,042.80 and 69,600.80
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Solution
The fourth proportional to 202,714.40, 304,042.80 and 69,600.80 is: 104,391.31
Step by Step Solution
- Step 1: Write the proportion equation
202,714.40 : 304,042.80 = 69,600.80 : x - Step 2: Convert to fraction form
202,714.40/304,042.80 = 69,600.80/x - Step 3: Cross multiply
202,714.40x = 304,042.80 × 69,600.80 - Step 4: Simplify right side
202,714.40x = 21,161,622,114.24 - Step 5: Solve for x
x = 21,161,622,114.24/202,714.40 - Step 6: Final answer
x = 104,391.31
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1.5x scale
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.