Finding the Fourth Proportional to 202,584.54, 279,560.79 and 111,939.06
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Solution
The fourth proportional to 202,584.54, 279,560.79 and 111,939.06 is: 154,472.66
Step by Step Solution
- Step 1: Write the proportion equation
202,584.54 : 279,560.79 = 111,939.06 : x - Step 2: Convert to fraction form
202,584.54/279,560.79 = 111,939.06/x - Step 3: Cross multiply
202,584.54x = 279,560.79 × 111,939.06 - Step 4: Simplify right side
202,584.54x = 31,293,772,045.46 - Step 5: Solve for x
x = 31,293,772,045.46/202,584.54 - Step 6: Final answer
x = 154,472.66
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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.