Finding the Fourth Proportional to 511,663.10, 706,086.05 and 282,241.26
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Solution
The fourth proportional to 511,663.10, 706,086.05 and 282,241.26 is: 389,487.96
Step by Step Solution
- Step 1: Write the proportion equation
511,663.10 : 706,086.05 = 282,241.26 : x - Step 2: Convert to fraction form
511,663.10/706,086.05 = 282,241.26/x - Step 3: Cross multiply
511,663.10x = 706,086.05 × 282,241.26 - Step 4: Simplify right side
511,663.10x = 199,286,615,009.22 - Step 5: Solve for x
x = 199,286,615,009.22/511,663.10 - Step 6: Final answer
x = 389,487.96
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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.