Finding the Fourth Proportional to 352,571.13, 486,550.70 and 191,426.29
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Solution
The fourth proportional to 352,571.13, 486,550.70 and 191,426.29 is: 264,169.66
Step by Step Solution
- Step 1: Write the proportion equation
352,571.13 : 486,550.70 = 191,426.29 : x - Step 2: Convert to fraction form
352,571.13/486,550.70 = 191,426.29/x - Step 3: Cross multiply
352,571.13x = 486,550.70 × 191,426.29 - Step 4: Simplify right side
352,571.13x = 93,138,593,942.24 - Step 5: Solve for x
x = 93,138,593,942.24/352,571.13 - Step 6: Final answer
x = 264,169.66
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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.