Finding the Fourth Proportional to 225,631.20, 338,446.80 and 201,136.80
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Solution
The fourth proportional to 225,631.20, 338,446.80 and 201,136.80 is: 301,705.20
Step by Step Solution
- Step 1: Write the proportion equation
225,631.20 : 338,446.80 = 201,136.80 : x - Step 2: Convert to fraction form
225,631.20/338,446.80 = 201,136.80/x - Step 3: Cross multiply
225,631.20x = 338,446.80 × 201,136.80 - Step 4: Simplify right side
225,631.20x = 68,074,106,322.24 - Step 5: Solve for x
x = 68,074,106,322.24/225,631.20 - Step 6: Final answer
x = 301,705.20
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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.