Finding the Fourth Proportional to 327,620.48, 491,236.80 and 127,707.48
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Solution
The fourth proportional to 327,620.48, 491,236.80 and 127,707.48 is: 191,485.63
Step by Step Solution
- Step 1: Write the proportion equation
327,620.48 : 491,236.80 = 127,707.48 : x - Step 2: Convert to fraction form
327,620.48/491,236.80 = 127,707.48/x - Step 3: Cross multiply
327,620.48x = 491,236.80 × 127,707.48 - Step 4: Simplify right side
327,620.48x = 62,734,613,811.26 - Step 5: Solve for x
x = 62,734,613,811.26/327,620.48 - Step 6: Final answer
x = 191,485.63
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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.