Finding the Fourth Proportional to 382,014.66, 527,170.77 and 212,249.19
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Solution
The fourth proportional to 382,014.66, 527,170.77 and 212,249.19 is: 292,898.63
Step by Step Solution
- Step 1: Write the proportion equation
382,014.66 : 527,170.77 = 212,249.19 : x - Step 2: Convert to fraction form
382,014.66/527,170.77 = 212,249.19/x - Step 3: Cross multiply
382,014.66x = 527,170.77 × 212,249.19 - Step 4: Simplify right side
382,014.66x = 111,891,568,924.18 - Step 5: Solve for x
x = 111,891,568,924.18/382,014.66 - Step 6: Final answer
x = 292,898.63
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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.