Finding the Fourth Proportional to 451,324.05, 622,832.10 and 247,370.50
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Solution
The fourth proportional to 451,324.05, 622,832.10 and 247,370.50 is: 341,373.98
Step by Step Solution
- Step 1: Write the proportion equation
451,324.05 : 622,832.10 = 247,370.50 : x - Step 2: Convert to fraction form
451,324.05/622,832.10 = 247,370.50/x - Step 3: Cross multiply
451,324.05x = 622,832.10 × 247,370.50 - Step 4: Simplify right side
451,324.05x = 154,070,287,993.05 - Step 5: Solve for x
x = 154,070,287,993.05/451,324.05 - Step 6: Final answer
x = 341,373.98
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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.