Finding the Fourth Proportional to 352,132.96, 485,954.50 and 199,168.18
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Solution
The fourth proportional to 352,132.96, 485,954.50 and 199,168.18 is: 274,858.32
Step by Step Solution
- Step 1: Write the proportion equation
352,132.96 : 485,954.50 = 199,168.18 : x - Step 2: Convert to fraction form
352,132.96/485,954.50 = 199,168.18/x - Step 3: Cross multiply
352,132.96x = 485,954.50 × 199,168.18 - Step 4: Simplify right side
352,132.96x = 96,786,673,327.81 - Step 5: Solve for x
x = 96,786,673,327.81/352,132.96 - Step 6: Final answer
x = 274,858.32
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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.