Finding the Fourth Proportional to 215,660.72, 297,614.60 and 123,794.84
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Solution
The fourth proportional to 215,660.72, 297,614.60 and 123,794.84 is: 170,838.49
Step by Step Solution
- Step 1: Write the proportion equation
215,660.72 : 297,614.60 = 123,794.84 : x - Step 2: Convert to fraction form
215,660.72/297,614.60 = 123,794.84/x - Step 3: Cross multiply
215,660.72x = 297,614.60 × 123,794.84 - Step 4: Simplify right side
215,660.72x = 36,843,151,788.66 - Step 5: Solve for x
x = 36,843,151,788.66/215,660.72 - Step 6: Final answer
x = 170,838.49
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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.