Finding the Fourth Proportional to 324,729.30, 486,109.80 and 236,155.80
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Solution
The fourth proportional to 324,729.30, 486,109.80 and 236,155.80 is: 353,517.99
Step by Step Solution
- Step 1: Write the proportion equation
324,729.30 : 486,109.80 = 236,155.80 : x - Step 2: Convert to fraction form
324,729.30/486,109.80 = 236,155.80/x - Step 3: Cross multiply
324,729.30x = 486,109.80 × 236,155.80 - Step 4: Simplify right side
324,729.30x = 114,797,648,706.84 - Step 5: Solve for x
x = 114,797,648,706.84/324,729.30 - Step 6: Final answer
x = 353,517.99
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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.