Finding the Fourth Proportional to 134,912.13, 202,349.76 and 40,156.94
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Solution
The fourth proportional to 134,912.13, 202,349.76 and 40,156.94 is: 60,229.92
Step by Step Solution
- Step 1: Write the proportion equation
134,912.13 : 202,349.76 = 40,156.94 : x - Step 2: Convert to fraction form
134,912.13/202,349.76 = 40,156.94/x - Step 3: Cross multiply
134,912.13x = 202,349.76 × 40,156.94 - Step 4: Simplify right side
134,912.13x = 8,125,747,171.33 - Step 5: Solve for x
x = 8,125,747,171.33/134,912.13 - Step 6: Final answer
x = 60,229.92
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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.