Finding the Fourth Proportional to 352,431.75, 486,333.63 and 199,500.99
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Solution
The fourth proportional to 352,431.75, 486,333.63 and 199,500.99 is: 275,298.81
Step by Step Solution
- Step 1: Write the proportion equation
352,431.75 : 486,333.63 = 199,500.99 : x - Step 2: Convert to fraction form
352,431.75/486,333.63 = 199,500.99/x - Step 3: Cross multiply
352,431.75x = 486,333.63 × 199,500.99 - Step 4: Simplify right side
352,431.75x = 97,024,040,655.29 - Step 5: Solve for x
x = 97,024,040,655.29/352,431.75 - Step 6: Final answer
x = 275,298.81
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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.