Finding the Fourth Proportional to 352,863.06, 486,843.69 and 199,876.92
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Solution
The fourth proportional to 352,863.06, 486,843.69 and 199,876.92 is: 275,769.35
Step by Step Solution
- Step 1: Write the proportion equation
352,863.06 : 486,843.69 = 199,876.92 : x - Step 2: Convert to fraction form
352,863.06/486,843.69 = 199,876.92/x - Step 3: Cross multiply
352,863.06x = 486,843.69 × 199,876.92 - Step 4: Simplify right side
352,863.06x = 97,308,817,278.63 - Step 5: Solve for x
x = 97,308,817,278.63/352,863.06 - Step 6: Final answer
x = 275,769.35
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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.