Finding the Fourth Proportional to 282,529.92, 389,892.96 and 155,202.24
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Solution
The fourth proportional to 282,529.92, 389,892.96 and 155,202.24 is: 214,180.01
Step by Step Solution
- Step 1: Write the proportion equation
282,529.92 : 389,892.96 = 155,202.24 : x - Step 2: Convert to fraction form
282,529.92/389,892.96 = 155,202.24/x - Step 3: Cross multiply
282,529.92x = 389,892.96 × 155,202.24 - Step 4: Simplify right side
282,529.92x = 60,512,260,752.23 - Step 5: Solve for x
x = 60,512,260,752.23/282,529.92 - Step 6: Final answer
x = 214,180.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.