Finding the Fourth Proportional to 352,707.09, 486,739.29 and 191,565.28
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Solution
The fourth proportional to 352,707.09, 486,739.29 and 191,565.28 is: 264,361.99
Step by Step Solution
- Step 1: Write the proportion equation
352,707.09 : 486,739.29 = 191,565.28 : x - Step 2: Convert to fraction form
352,707.09/486,739.29 = 191,565.28/x - Step 3: Cross multiply
352,707.09x = 486,739.29 × 191,565.28 - Step 4: Simplify right side
352,707.09x = 93,242,348,375.85 - Step 5: Solve for x
x = 93,242,348,375.85/352,707.09 - Step 6: Final answer
x = 264,361.99
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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.