Finding the Fourth Proportional to 201,255.70, 301,883.55 and 122,523.70
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Solution
The fourth proportional to 201,255.70, 301,883.55 and 122,523.70 is: 183,785.55
Step by Step Solution
- Step 1: Write the proportion equation
201,255.70 : 301,883.55 = 122,523.70 : x - Step 2: Convert to fraction form
201,255.70/301,883.55 = 122,523.70/x - Step 3: Cross multiply
201,255.70x = 301,883.55 × 122,523.70 - Step 4: Simplify right side
201,255.70x = 36,987,889,515.14 - Step 5: Solve for x
x = 36,987,889,515.14/201,255.70 - Step 6: Final answer
x = 183,785.55
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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.