Finding the Fourth Proportional to 372,577.55, 558,949.36 and 135,920.23
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Solution
The fourth proportional to 372,577.55, 558,949.36 and 135,920.23 is: 203,910.63
Step by Step Solution
- Step 1: Write the proportion equation
372,577.55 : 558,949.36 = 135,920.23 : x - Step 2: Convert to fraction form
372,577.55/558,949.36 = 135,920.23/x - Step 3: Cross multiply
372,577.55x = 558,949.36 × 135,920.23 - Step 4: Simplify right side
372,577.55x = 75,972,524,087.23 - Step 5: Solve for x
x = 75,972,524,087.23/372,577.55 - Step 6: Final answer
x = 203,910.63
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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.