Finding the Fourth Proportional to 202,243.19, 279,112.65 and 117,354.79
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Solution
The fourth proportional to 202,243.19, 279,112.65 and 117,354.79 is: 161,959.50
Step by Step Solution
- Step 1: Write the proportion equation
202,243.19 : 279,112.65 = 117,354.79 : x - Step 2: Convert to fraction form
202,243.19/279,112.65 = 117,354.79/x - Step 3: Cross multiply
202,243.19x = 279,112.65 × 117,354.79 - Step 4: Simplify right side
202,243.19x = 32,755,206,427.09 - Step 5: Solve for x
x = 32,755,206,427.09/202,243.19 - Step 6: Final answer
x = 161,959.50
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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.