Finding the Fourth Proportional to 352,713.21, 486,750.05 and 191,568.38
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Solution
The fourth proportional to 352,713.21, 486,750.05 and 191,568.38 is: 264,367.52
Step by Step Solution
- Step 1: Write the proportion equation
352,713.21 : 486,750.05 = 191,568.38 : x - Step 2: Convert to fraction form
352,713.21/486,750.05 = 191,568.38/x - Step 3: Cross multiply
352,713.21x = 486,750.05 × 191,568.38 - Step 4: Simplify right side
352,713.21x = 93,245,917,585.58 - Step 5: Solve for x
x = 93,245,917,585.58/352,713.21 - Step 6: Final answer
x = 264,367.52
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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.