Finding the Fourth Proportional to 202,721.24, 279,747.06 and 112,071.44
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Solution
The fourth proportional to 202,721.24, 279,747.06 and 112,071.44 is: 154,654.03
Step by Step Solution
- Step 1: Write the proportion equation
202,721.24 : 279,747.06 = 112,071.44 : x - Step 2: Convert to fraction form
202,721.24/279,747.06 = 112,071.44/x - Step 3: Cross multiply
202,721.24x = 279,747.06 × 112,071.44 - Step 4: Simplify right side
202,721.24x = 31,351,655,849.97 - Step 5: Solve for x
x = 31,351,655,849.97/202,721.24 - Step 6: Final answer
x = 154,654.03
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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.