Finding the Fourth Proportional to 201,229.70, 301,844.55 and 53,485.70
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Solution
The fourth proportional to 201,229.70, 301,844.55 and 53,485.70 is: 80,228.55
Step by Step Solution
- Step 1: Write the proportion equation
201,229.70 : 301,844.55 = 53,485.70 : x - Step 2: Convert to fraction form
201,229.70/301,844.55 = 53,485.70/x - Step 3: Cross multiply
201,229.70x = 301,844.55 × 53,485.70 - Step 4: Simplify right side
201,229.70x = 16,144,367,047.94 - Step 5: Solve for x
x = 16,144,367,047.94/201,229.70 - Step 6: Final answer
x = 80,228.55
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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.