Finding the Fourth Proportional to 531,514.74, 797,310.99 and 215,977.62
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Solution
The fourth proportional to 531,514.74, 797,310.99 and 215,977.62 is: 323,982.23
Step by Step Solution
- Step 1: Write the proportion equation
531,514.74 : 797,310.99 = 215,977.62 : x - Step 2: Convert to fraction form
531,514.74/797,310.99 = 215,977.62/x - Step 3: Cross multiply
531,514.74x = 797,310.99 × 215,977.62 - Step 4: Simplify right side
531,514.74x = 172,201,330,020.04 - Step 5: Solve for x
x = 172,201,330,020.04/531,514.74 - Step 6: Final answer
x = 323,982.23
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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.