Finding the Fourth Proportional to 207,403.00, 311,201.38 and 107,508.70
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Solution
The fourth proportional to 207,403.00, 311,201.38 and 107,508.70 is: 161,313.26
Step by Step Solution
- Step 1: Write the proportion equation
207,403.00 : 311,201.38 = 107,508.70 : x - Step 2: Convert to fraction form
207,403.00/311,201.38 = 107,508.70/x - Step 3: Cross multiply
207,403.00x = 311,201.38 × 107,508.70 - Step 4: Simplify right side
207,403.00x = 33,456,853,970.15 - Step 5: Solve for x
x = 33,456,853,970.15/207,403.00 - Step 6: Final answer
x = 161,313.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.