Finding the Fourth Proportional to 270,295.28, 372,990.12 and 149,414.12
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Solution
The fourth proportional to 270,295.28, 372,990.12 and 149,414.12 is: 206,181.89
Step by Step Solution
- Step 1: Write the proportion equation
270,295.28 : 372,990.12 = 149,414.12 : x - Step 2: Convert to fraction form
270,295.28/372,990.12 = 149,414.12/x - Step 3: Cross multiply
270,295.28x = 372,990.12 × 149,414.12 - Step 4: Simplify right side
270,295.28x = 55,729,990,548.49 - Step 5: Solve for x
x = 55,729,990,548.49/270,295.28 - Step 6: Final answer
x = 206,181.89
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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.