Finding the Fourth Proportional to 497,250.10, 686,181.26 and 282,361.78
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Solution
The fourth proportional to 497,250.10, 686,181.26 and 282,361.78 is: 389,645.70
Step by Step Solution
- Step 1: Write the proportion equation
497,250.10 : 686,181.26 = 282,361.78 : x - Step 2: Convert to fraction form
497,250.10/686,181.26 = 282,361.78/x - Step 3: Cross multiply
497,250.10x = 686,181.26 × 282,361.78 - Step 4: Simplify right side
497,250.10x = 193,751,361,976.24 - Step 5: Solve for x
x = 193,751,361,976.24/497,250.10 - Step 6: Final answer
x = 389,645.70
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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.