Finding the Fourth Proportional to 306,939.07, 460,409.51 and 107,259.49
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Solution
The fourth proportional to 306,939.07, 460,409.51 and 107,259.49 is: 160,889.55
Step by Step Solution
- Step 1: Write the proportion equation
306,939.07 : 460,409.51 = 107,259.49 : x - Step 2: Convert to fraction form
306,939.07/460,409.51 = 107,259.49/x - Step 3: Cross multiply
306,939.07x = 460,409.51 × 107,259.49 - Step 4: Simplify right side
306,939.07x = 49,383,289,233.75 - Step 5: Solve for x
x = 49,383,289,233.75/306,939.07 - Step 6: Final answer
x = 160,889.55
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1.5x scale
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.