Finding the Fourth Proportional to 326,886.05, 451,139.36 and 197,895.62
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Solution
The fourth proportional to 326,886.05, 451,139.36 and 197,895.62 is: 273,118.11
Step by Step Solution
- Step 1: Write the proportion equation
326,886.05 : 451,139.36 = 197,895.62 : x - Step 2: Convert to fraction form
326,886.05/451,139.36 = 197,895.62/x - Step 3: Cross multiply
326,886.05x = 451,139.36 × 197,895.62 - Step 4: Simplify right side
326,886.05x = 89,278,500,108.43 - Step 5: Solve for x
x = 89,278,500,108.43/326,886.05 - Step 6: Final answer
x = 273,118.11
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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.