Finding the Fourth Proportional to 324,109.20, 486,102.24 and 137,251.92
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Solution
The fourth proportional to 324,109.20, 486,102.24 and 137,251.92 is: 205,851.81
Step by Step Solution
- Step 1: Write the proportion equation
324,109.20 : 486,102.24 = 137,251.92 : x - Step 2: Convert to fraction form
324,109.20/486,102.24 = 137,251.92/x - Step 3: Cross multiply
324,109.20x = 486,102.24 × 137,251.92 - Step 4: Simplify right side
324,109.20x = 66,718,465,756.30 - Step 5: Solve for x
x = 66,718,465,756.30/324,109.20 - Step 6: Final answer
x = 205,851.81
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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.