Finding the Fourth Proportional to 477,974.63, 659,613.30 and 274,058.75
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Solution
The fourth proportional to 477,974.63, 659,613.30 and 274,058.75 is: 378,205.84
Step by Step Solution
- Step 1: Write the proportion equation
477,974.63 : 659,613.30 = 274,058.75 : x - Step 2: Convert to fraction form
477,974.63/659,613.30 = 274,058.75/x - Step 3: Cross multiply
477,974.63x = 659,613.30 × 274,058.75 - Step 4: Simplify right side
477,974.63x = 180,772,796,481.38 - Step 5: Solve for x
x = 180,772,796,481.38/477,974.63 - Step 6: Final answer
x = 378,205.84
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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.