Finding the Fourth Proportional to 257,129.82, 354,721.32 and 166,514.99
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Solution
The fourth proportional to 257,129.82, 354,721.32 and 166,514.99 is: 229,714.37
Step by Step Solution
- Step 1: Write the proportion equation
257,129.82 : 354,721.32 = 166,514.99 : x - Step 2: Convert to fraction form
257,129.82/354,721.32 = 166,514.99/x - Step 3: Cross multiply
257,129.82x = 354,721.32 × 166,514.99 - Step 4: Simplify right side
257,129.82x = 59,066,415,278.98 - Step 5: Solve for x
x = 59,066,415,278.98/257,129.82 - Step 6: Final answer
x = 229,714.37
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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.