Finding the Fourth Proportional to 202,204.70, 303,112.65 and 157,201.10
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Solution
The fourth proportional to 202,204.70, 303,112.65 and 157,201.10 is: 235,650.52
Step by Step Solution
- Step 1: Write the proportion equation
202,204.70 : 303,112.65 = 157,201.10 : x - Step 2: Convert to fraction form
202,204.70/303,112.65 = 157,201.10/x - Step 3: Cross multiply
202,204.70x = 303,112.65 × 157,201.10 - Step 4: Simplify right side
202,204.70x = 47,649,642,003.92 - Step 5: Solve for x
x = 47,649,642,003.92/202,204.70 - Step 6: Final answer
x = 235,650.52
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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.