Finding the Fourth Proportional to 115,487.76, 173,201.04 and 45,367.68
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Solution
The fourth proportional to 115,487.76, 173,201.04 and 45,367.68 is: 68,039.50
Step by Step Solution
- Step 1: Write the proportion equation
115,487.76 : 173,201.04 = 45,367.68 : x - Step 2: Convert to fraction form
115,487.76/173,201.04 = 45,367.68/x - Step 3: Cross multiply
115,487.76x = 173,201.04 × 45,367.68 - Step 4: Simplify right side
115,487.76x = 7,857,729,358.39 - Step 5: Solve for x
x = 7,857,729,358.39/115,487.76 - Step 6: Final answer
x = 68,039.50
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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.