Finding the Fourth Proportional to 202,530.38, 303,588.20 and 84,270.38
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Solution
The fourth proportional to 202,530.38, 303,588.20 and 84,270.38 is: 126,319.28
Step by Step Solution
- Step 1: Write the proportion equation
202,530.38 : 303,588.20 = 84,270.38 : x - Step 2: Convert to fraction form
202,530.38/303,588.20 = 84,270.38/x - Step 3: Cross multiply
202,530.38x = 303,588.20 × 84,270.38 - Step 4: Simplify right side
202,530.38x = 25,583,491,670.25 - Step 5: Solve for x
x = 25,583,491,670.25/202,530.38 - Step 6: Final answer
x = 126,319.28
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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.