Finding the Fourth Proportional to 327,124.40, 490,686.60 and 201,153.20
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Solution
The fourth proportional to 327,124.40, 490,686.60 and 201,153.20 is: 301,729.80
Step by Step Solution
- Step 1: Write the proportion equation
327,124.40 : 490,686.60 = 201,153.20 : x - Step 2: Convert to fraction form
327,124.40/490,686.60 = 201,153.20/x - Step 3: Cross multiply
327,124.40x = 490,686.60 × 201,153.20 - Step 4: Simplify right side
327,124.40x = 98,703,179,787.12 - Step 5: Solve for x
x = 98,703,179,787.12/327,124.40 - Step 6: Final answer
x = 301,729.80
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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.