Finding the Fourth Proportional to 202,249.91, 279,160.39 and 117,394.31
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Solution
The fourth proportional to 202,249.91, 279,160.39 and 117,394.31 is: 162,036.37
Step by Step Solution
- Step 1: Write the proportion equation
202,249.91 : 279,160.39 = 117,394.31 : x - Step 2: Convert to fraction form
202,249.91/279,160.39 = 117,394.31/x - Step 3: Cross multiply
202,249.91x = 279,160.39 × 117,394.31 - Step 4: Simplify right side
202,249.91x = 32,771,842,208.02 - Step 5: Solve for x
x = 32,771,842,208.02/202,249.91 - Step 6: Final answer
x = 162,036.37
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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.