Finding the Fourth Proportional to 324,630.20, 486,614.10 and 219,459.80
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Solution
The fourth proportional to 324,630.20, 486,614.10 and 219,459.80 is: 328,965.80
Step by Step Solution
- Step 1: Write the proportion equation
324,630.20 : 486,614.10 = 219,459.80 : x - Step 2: Convert to fraction form
324,630.20/486,614.10 = 219,459.80/x - Step 3: Cross multiply
324,630.20x = 486,614.10 × 219,459.80 - Step 4: Simplify right side
324,630.20x = 106,792,233,063.18 - Step 5: Solve for x
x = 106,792,233,063.18/324,630.20 - Step 6: Final answer
x = 328,965.80
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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.