Finding the Fourth Proportional to 215,248.28, 322,872.69 and 102,902.09
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Solution
The fourth proportional to 215,248.28, 322,872.69 and 102,902.09 is: 154,353.26
Step by Step Solution
- Step 1: Write the proportion equation
215,248.28 : 322,872.69 = 102,902.09 : x - Step 2: Convert to fraction form
215,248.28/322,872.69 = 102,902.09/x - Step 3: Cross multiply
215,248.28x = 322,872.69 × 102,902.09 - Step 4: Simplify right side
215,248.28x = 33,224,274,604.92 - Step 5: Solve for x
x = 33,224,274,604.92/215,248.28 - Step 6: Final answer
x = 154,353.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.