Finding the Fourth Proportional to 201,649.70, 302,474.55 and 53,905.70
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Solution
The fourth proportional to 201,649.70, 302,474.55 and 53,905.70 is: 80,858.55
Step by Step Solution
- Step 1: Write the proportion equation
201,649.70 : 302,474.55 = 53,905.70 : x - Step 2: Convert to fraction form
201,649.70/302,474.55 = 53,905.70/x - Step 3: Cross multiply
201,649.70x = 302,474.55 × 53,905.70 - Step 4: Simplify right side
201,649.70x = 16,305,102,349.94 - Step 5: Solve for x
x = 16,305,102,349.94/201,649.70 - Step 6: Final answer
x = 80,858.55
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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.