Finding the Fourth Proportional to 201,627.20, 302,440.80 and 154,971.20
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Solution
The fourth proportional to 201,627.20, 302,440.80 and 154,971.20 is: 232,456.80
Step by Step Solution
- Step 1: Write the proportion equation
201,627.20 : 302,440.80 = 154,971.20 : x - Step 2: Convert to fraction form
201,627.20/302,440.80 = 154,971.20/x - Step 3: Cross multiply
201,627.20x = 302,440.80 × 154,971.20 - Step 4: Simplify right side
201,627.20x = 46,869,613,704.96 - Step 5: Solve for x
x = 46,869,613,704.96/201,627.20 - Step 6: Final answer
x = 232,456.80
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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.