Finding the Fourth Proportional to 201,313.20, 301,192.20 and 131,329.20
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Solution
The fourth proportional to 201,313.20, 301,192.20 and 131,329.20 is: 196,486.52
Step by Step Solution
- Step 1: Write the proportion equation
201,313.20 : 301,192.20 = 131,329.20 : x - Step 2: Convert to fraction form
201,313.20/301,192.20 = 131,329.20/x - Step 3: Cross multiply
201,313.20x = 301,192.20 × 131,329.20 - Step 4: Simplify right side
201,313.20x = 39,555,330,672.24 - Step 5: Solve for x
x = 39,555,330,672.24/201,313.20 - Step 6: Final answer
x = 196,486.52
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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.