Finding the Fourth Proportional to 324,628.20, 486,611.10 and 219,457.80
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Solution
The fourth proportional to 324,628.20, 486,611.10 and 219,457.80 is: 328,962.80
Step by Step Solution
- Step 1: Write the proportion equation
324,628.20 : 486,611.10 = 219,457.80 : x - Step 2: Convert to fraction form
324,628.20/486,611.10 = 219,457.80/x - Step 3: Cross multiply
324,628.20x = 486,611.10 × 219,457.80 - Step 4: Simplify right side
324,628.20x = 106,790,601,461.58 - Step 5: Solve for x
x = 106,790,601,461.58/324,628.20 - Step 6: Final answer
x = 328,962.80
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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.