Finding the Fourth Proportional to 197,711.84, 272,842.49 and 107,067.90
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Solution
The fourth proportional to 197,711.84, 272,842.49 and 107,067.90 is: 147,753.78
Step by Step Solution
- Step 1: Write the proportion equation
197,711.84 : 272,842.49 = 107,067.90 : x - Step 2: Convert to fraction form
197,711.84/272,842.49 = 107,067.90/x - Step 3: Cross multiply
197,711.84x = 272,842.49 × 107,067.90 - Step 4: Simplify right side
197,711.84x = 29,212,672,435.07 - Step 5: Solve for x
x = 29,212,672,435.07/197,711.84 - Step 6: Final answer
x = 147,753.78
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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.