Finding the Fourth Proportional to 250,363.44, 345,400.20 and 142,912.08
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Solution
The fourth proportional to 250,363.44, 345,400.20 and 142,912.08 is: 197,160.82
Step by Step Solution
- Step 1: Write the proportion equation
250,363.44 : 345,400.20 = 142,912.08 : x - Step 2: Convert to fraction form
250,363.44/345,400.20 = 142,912.08/x - Step 3: Cross multiply
250,363.44x = 345,400.20 × 142,912.08 - Step 4: Simplify right side
250,363.44x = 49,361,861,014.42 - Step 5: Solve for x
x = 49,361,861,014.42/250,363.44 - Step 6: Final answer
x = 197,160.82
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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.