Finding the Fourth Proportional to 324,744.80, 486,886.80 and 147,336.80
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Solution
The fourth proportional to 324,744.80, 486,886.80 and 147,336.80 is: 220,900.67
Step by Step Solution
- Step 1: Write the proportion equation
324,744.80 : 486,886.80 = 147,336.80 : x - Step 2: Convert to fraction form
324,744.80/486,886.80 = 147,336.80/x - Step 3: Cross multiply
324,744.80x = 486,886.80 × 147,336.80 - Step 4: Simplify right side
324,744.80x = 71,736,343,074.24 - Step 5: Solve for x
x = 71,736,343,074.24/324,744.80 - Step 6: Final answer
x = 220,900.67
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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.