Finding the Fourth Proportional to 202,284.70, 303,427.05 and 83,943.70
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Solution
The fourth proportional to 202,284.70, 303,427.05 and 83,943.70 is: 125,915.55
Step by Step Solution
- Step 1: Write the proportion equation
202,284.70 : 303,427.05 = 83,943.70 : x - Step 2: Convert to fraction form
202,284.70/303,427.05 = 83,943.70/x - Step 3: Cross multiply
202,284.70x = 303,427.05 × 83,943.70 - Step 4: Simplify right side
202,284.70x = 25,470,789,257.09 - Step 5: Solve for x
x = 25,470,789,257.09/202,284.70 - Step 6: Final answer
x = 125,915.55
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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.