Finding the Fourth Proportional to 324,168.08, 486,213.84 and 87,529.21
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Solution
The fourth proportional to 324,168.08, 486,213.84 and 87,529.21 is: 131,283.48
Step by Step Solution
- Step 1: Write the proportion equation
324,168.08 : 486,213.84 = 87,529.21 : x - Step 2: Convert to fraction form
324,168.08/486,213.84 = 87,529.21/x - Step 3: Cross multiply
324,168.08x = 486,213.84 × 87,529.21 - Step 4: Simplify right side
324,168.08x = 42,557,912,090.73 - Step 5: Solve for x
x = 42,557,912,090.73/324,168.08 - Step 6: Final answer
x = 131,283.48
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1.5x scale
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.