Finding the Fourth Proportional to 324,847.40, 486,752.70 and 271,970.60
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Solution
The fourth proportional to 324,847.40, 486,752.70 and 271,970.60 is: 407,521.88
Step by Step Solution
- Step 1: Write the proportion equation
324,847.40 : 486,752.70 = 271,970.60 : x - Step 2: Convert to fraction form
324,847.40/486,752.70 = 271,970.60/x - Step 3: Cross multiply
324,847.40x = 486,752.70 × 271,970.60 - Step 4: Simplify right side
324,847.40x = 132,382,423,870.62 - Step 5: Solve for x
x = 132,382,423,870.62/324,847.40 - Step 6: Final answer
x = 407,521.88
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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.