Finding the Fourth Proportional to 201,664.40, 302,496.60 and 149,176.40
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Solution
The fourth proportional to 201,664.40, 302,496.60 and 149,176.40 is: 223,764.60
Step by Step Solution
- Step 1: Write the proportion equation
201,664.40 : 302,496.60 = 149,176.40 : x - Step 2: Convert to fraction form
201,664.40/302,496.60 = 149,176.40/x - Step 3: Cross multiply
201,664.40x = 302,496.60 × 149,176.40 - Step 4: Simplify right side
201,664.40x = 45,125,353,800.24 - Step 5: Solve for x
x = 45,125,353,800.24/201,664.40 - Step 6: Final answer
x = 223,764.60
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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.