Finding the Fourth Proportional to 372,107.80, 558,161.70 and 194,669.20
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Solution
The fourth proportional to 372,107.80, 558,161.70 and 194,669.20 is: 292,003.80
Step by Step Solution
- Step 1: Write the proportion equation
372,107.80 : 558,161.70 = 194,669.20 : x - Step 2: Convert to fraction form
372,107.80/558,161.70 = 194,669.20/x - Step 3: Cross multiply
372,107.80x = 558,161.70 × 194,669.20 - Step 4: Simplify right side
372,107.80x = 108,656,891,609.64 - Step 5: Solve for x
x = 108,656,891,609.64/372,107.80 - Step 6: Final answer
x = 292,003.80
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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.