Finding the Fourth Proportional to 201,741.60, 302,612.40 and 131,239.20
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Solution
The fourth proportional to 201,741.60, 302,612.40 and 131,239.20 is: 196,858.80
Step by Step Solution
- Step 1: Write the proportion equation
201,741.60 : 302,612.40 = 131,239.20 : x - Step 2: Convert to fraction form
201,741.60/302,612.40 = 131,239.20/x - Step 3: Cross multiply
201,741.60x = 302,612.40 × 131,239.20 - Step 4: Simplify right side
201,741.60x = 39,714,609,286.08 - Step 5: Solve for x
x = 39,714,609,286.08/201,741.60 - Step 6: Final answer
x = 196,858.80
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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.