Finding the Fourth Proportional to 372,912.36, 514,614.42 and 203,142.84
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Solution
The fourth proportional to 372,912.36, 514,614.42 and 203,142.84 is: 280,334.59
Step by Step Solution
- Step 1: Write the proportion equation
372,912.36 : 514,614.42 = 203,142.84 : x - Step 2: Convert to fraction form
372,912.36/514,614.42 = 203,142.84/x - Step 3: Cross multiply
372,912.36x = 514,614.42 × 203,142.84 - Step 4: Simplify right side
372,912.36x = 104,540,234,783.75 - Step 5: Solve for x
x = 104,540,234,783.75/372,912.36 - Step 6: Final answer
x = 280,334.59
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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.