Finding the Fourth Proportional to 197,249.28, 272,202.88 and 107,825.28
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Solution
The fourth proportional to 197,249.28, 272,202.88 and 107,825.28 is: 148,798.27
Step by Step Solution
- Step 1: Write the proportion equation
197,249.28 : 272,202.88 = 107,825.28 : x - Step 2: Convert to fraction form
197,249.28/272,202.88 = 107,825.28/x - Step 3: Cross multiply
197,249.28x = 272,202.88 × 107,825.28 - Step 4: Simplify right side
197,249.28x = 29,350,351,752.81 - Step 5: Solve for x
x = 29,350,351,752.81/197,249.28 - Step 6: Final answer
x = 148,798.27
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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.