Finding the Fourth Proportional to 372,614.46, 558,930.86 and 135,957.09
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Solution
The fourth proportional to 372,614.46, 558,930.86 and 135,957.09 is: 203,938.98
Step by Step Solution
- Step 1: Write the proportion equation
372,614.46 : 558,930.86 = 135,957.09 : x - Step 2: Convert to fraction form
372,614.46/558,930.86 = 135,957.09/x - Step 3: Cross multiply
372,614.46x = 558,930.86 × 135,957.09 - Step 4: Simplify right side
372,614.46x = 75,990,613,236.80 - Step 5: Solve for x
x = 75,990,613,236.80/372,614.46 - Step 6: Final answer
x = 203,938.98
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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.