Finding the Fourth Proportional to 202,129.40, 303,132.44 and 83,772.92
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Solution
The fourth proportional to 202,129.40, 303,132.44 and 83,772.92 is: 125,633.82
Step by Step Solution
- Step 1: Write the proportion equation
202,129.40 : 303,132.44 = 83,772.92 : x - Step 2: Convert to fraction form
202,129.40/303,132.44 = 83,772.92/x - Step 3: Cross multiply
202,129.40x = 303,132.44 × 83,772.92 - Step 4: Simplify right side
202,129.40x = 25,394,289,645.52 - Step 5: Solve for x
x = 25,394,289,645.52/202,129.40 - Step 6: Final answer
x = 125,633.82
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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.