Finding the Fourth Proportional to 201,416.10, 302,062.40 and 66,455.26
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Solution
The fourth proportional to 201,416.10, 302,062.40 and 66,455.26 is: 99,662.52
Step by Step Solution
- Step 1: Write the proportion equation
201,416.10 : 302,062.40 = 66,455.26 : x - Step 2: Convert to fraction form
201,416.10/302,062.40 = 66,455.26/x - Step 3: Cross multiply
201,416.10x = 302,062.40 × 66,455.26 - Step 4: Simplify right side
201,416.10x = 20,073,635,328.22 - Step 5: Solve for x
x = 20,073,635,328.22/201,416.10 - Step 6: Final answer
x = 99,662.52
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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.