Finding the Fourth Proportional to 202,887.70, 304,331.55 and 199,431.70
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Solution
The fourth proportional to 202,887.70, 304,331.55 and 199,431.70 is: 299,147.55
Step by Step Solution
- Step 1: Write the proportion equation
202,887.70 : 304,331.55 = 199,431.70 : x - Step 2: Convert to fraction form
202,887.70/304,331.55 = 199,431.70/x - Step 3: Cross multiply
202,887.70x = 304,331.55 × 199,431.70 - Step 4: Simplify right side
202,887.70x = 60,693,358,380.14 - Step 5: Solve for x
x = 60,693,358,380.14/202,887.70 - Step 6: Final answer
x = 299,147.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.