Finding the Fourth Proportional to 215,213.73, 297,027.42 and 124,628.87
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Solution
The fourth proportional to 215,213.73, 297,027.42 and 124,628.87 is: 172,006.65
Step by Step Solution
- Step 1: Write the proportion equation
215,213.73 : 297,027.42 = 124,628.87 : x - Step 2: Convert to fraction form
215,213.73/297,027.42 = 124,628.87/x - Step 3: Cross multiply
215,213.73x = 297,027.42 × 124,628.87 - Step 4: Simplify right side
215,213.73x = 37,018,192,016.10 - Step 5: Solve for x
x = 37,018,192,016.10/215,213.73 - Step 6: Final answer
x = 172,006.65
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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.