Finding the Fourth Proportional to 352,399.97, 486,315.60 and 191,256.41
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Solution
The fourth proportional to 352,399.97, 486,315.60 and 191,256.41 is: 263,935.82
Step by Step Solution
- Step 1: Write the proportion equation
352,399.97 : 486,315.60 = 191,256.41 : x - Step 2: Convert to fraction form
352,399.97/486,315.60 = 191,256.41/x - Step 3: Cross multiply
352,399.97x = 486,315.60 × 191,256.41 - Step 4: Simplify right side
352,399.97x = 93,010,976,281.57 - Step 5: Solve for x
x = 93,010,976,281.57/352,399.97 - Step 6: Final answer
x = 263,935.82
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1.5x scale
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.