Finding the Fourth Proportional to 201,734.40, 302,601.60 and 149,246.40
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Solution
The fourth proportional to 201,734.40, 302,601.60 and 149,246.40 is: 223,869.60
Step by Step Solution
- Step 1: Write the proportion equation
201,734.40 : 302,601.60 = 149,246.40 : x - Step 2: Convert to fraction form
201,734.40/302,601.60 = 149,246.40/x - Step 3: Cross multiply
201,734.40x = 302,601.60 × 149,246.40 - Step 4: Simplify right side
201,734.40x = 45,162,199,434.24 - Step 5: Solve for x
x = 45,162,199,434.24/201,734.40 - Step 6: Final answer
x = 223,869.60
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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.