Finding the Fourth Proportional to 352,728.72, 486,769.18 and 191,586.92
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Solution
The fourth proportional to 352,728.72, 486,769.18 and 191,586.92 is: 264,391.88
Step by Step Solution
- Step 1: Write the proportion equation
352,728.72 : 486,769.18 = 191,586.92 : x - Step 2: Convert to fraction form
352,728.72/486,769.18 = 191,586.92/x - Step 3: Cross multiply
352,728.72x = 486,769.18 × 191,586.92 - Step 4: Simplify right side
352,728.72x = 93,258,607,947.13 - Step 5: Solve for x
x = 93,258,607,947.13/352,728.72 - Step 6: Final answer
x = 264,391.88
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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.