Finding the Fourth Proportional to 202,473.60, 303,537.60 and 143,122.56
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Solution
The fourth proportional to 202,473.60, 303,537.60 and 143,122.56 is: 214,561.69
Step by Step Solution
- Step 1: Write the proportion equation
202,473.60 : 303,537.60 = 143,122.56 : x - Step 2: Convert to fraction form
202,473.60/303,537.60 = 143,122.56/x - Step 3: Cross multiply
202,473.60x = 303,537.60 × 143,122.56 - Step 4: Simplify right side
202,473.60x = 43,443,078,368.26 - Step 5: Solve for x
x = 43,443,078,368.26/202,473.60 - Step 6: Final answer
x = 214,561.69
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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.