Finding the Fourth Proportional to 332,115.40, 498,173.10 and 313,744.60
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Solution
The fourth proportional to 332,115.40, 498,173.10 and 313,744.60 is: 470,616.90
Step by Step Solution
- Step 1: Write the proportion equation
332,115.40 : 498,173.10 = 313,744.60 : x - Step 2: Convert to fraction form
332,115.40/498,173.10 = 313,744.60/x - Step 3: Cross multiply
332,115.40x = 498,173.10 × 313,744.60 - Step 4: Simplify right side
332,115.40x = 156,299,119,990.26 - Step 5: Solve for x
x = 156,299,119,990.26/332,115.40 - Step 6: Final answer
x = 470,616.90
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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.