Finding the Fourth Proportional to 324,634.80, 486,721.80 and 147,226.80
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Solution
The fourth proportional to 324,634.80, 486,721.80 and 147,226.80 is: 220,735.71
Step by Step Solution
- Step 1: Write the proportion equation
324,634.80 : 486,721.80 = 147,226.80 : x - Step 2: Convert to fraction form
324,634.80/486,721.80 = 147,226.80/x - Step 3: Cross multiply
324,634.80x = 486,721.80 × 147,226.80 - Step 4: Simplify right side
324,634.80x = 71,658,493,104.24 - Step 5: Solve for x
x = 71,658,493,104.24/324,634.80 - Step 6: Final answer
x = 220,735.71
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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.