Finding the Fourth Proportional to 202,665.44, 279,677.76 and 113,241.44
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Solution
The fourth proportional to 202,665.44, 279,677.76 and 113,241.44 is: 156,272.88
Step by Step Solution
- Step 1: Write the proportion equation
202,665.44 : 279,677.76 = 113,241.44 : x - Step 2: Convert to fraction form
202,665.44/279,677.76 = 113,241.44/x - Step 3: Cross multiply
202,665.44x = 279,677.76 × 113,241.44 - Step 4: Simplify right side
202,665.44x = 31,671,112,278.37 - Step 5: Solve for x
x = 31,671,112,278.37/202,665.44 - Step 6: Final answer
x = 156,272.88
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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.