Finding the Fourth Proportional to 201,755.64, 302,239.76 and 157,173.65
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Solution
The fourth proportional to 201,755.64, 302,239.76 and 157,173.65 is: 235,453.77
Step by Step Solution
- Step 1: Write the proportion equation
201,755.64 : 302,239.76 = 157,173.65 : x - Step 2: Convert to fraction form
201,755.64/302,239.76 = 157,173.65/x - Step 3: Cross multiply
201,755.64x = 302,239.76 × 157,173.65 - Step 4: Simplify right side
201,755.64x = 47,504,126,254.32 - Step 5: Solve for x
x = 47,504,126,254.32/201,755.64 - Step 6: Final answer
x = 235,453.77
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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.