Finding the Fourth Proportional to 372,392.16, 558,249.36 and 135,680.88
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Solution
The fourth proportional to 372,392.16, 558,249.36 and 135,680.88 is: 203,397.85
Step by Step Solution
- Step 1: Write the proportion equation
372,392.16 : 558,249.36 = 135,680.88 : x - Step 2: Convert to fraction form
372,392.16/558,249.36 = 135,680.88/x - Step 3: Cross multiply
372,392.16x = 558,249.36 × 135,680.88 - Step 4: Simplify right side
372,392.16x = 75,743,764,424.24 - Step 5: Solve for x
x = 75,743,764,424.24/372,392.16 - Step 6: Final answer
x = 203,397.85
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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.