Finding the Fourth Proportional to 316,858.26, 437,100.84 and 214,849.20
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Solution
The fourth proportional to 316,858.26, 437,100.84 and 214,849.20 is: 296,380.99
Step by Step Solution
- Step 1: Write the proportion equation
316,858.26 : 437,100.84 = 214,849.20 : x - Step 2: Convert to fraction form
316,858.26/437,100.84 = 214,849.20/x - Step 3: Cross multiply
316,858.26x = 437,100.84 × 214,849.20 - Step 4: Simplify right side
316,858.26x = 93,910,765,793.33 - Step 5: Solve for x
x = 93,910,765,793.33/316,858.26 - Step 6: Final answer
x = 296,380.99
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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.