Finding the Fourth Proportional to 256,212.14, 353,720.30 and 170,287.62
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Solution
The fourth proportional to 256,212.14, 353,720.30 and 170,287.62 is: 235,094.98
Step by Step Solution
- Step 1: Write the proportion equation
256,212.14 : 353,720.30 = 170,287.62 : x - Step 2: Convert to fraction form
256,212.14/353,720.30 = 170,287.62/x - Step 3: Cross multiply
256,212.14x = 353,720.30 × 170,287.62 - Step 4: Simplify right side
256,212.14x = 60,234,187,181.25 - Step 5: Solve for x
x = 60,234,187,181.25/256,212.14 - Step 6: Final answer
x = 235,094.98
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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.