Finding the Fourth Proportional to 202,331.70, 303,619.05 and 83,990.70
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Solution
The fourth proportional to 202,331.70, 303,619.05 and 83,990.70 is: 126,036.49
Step by Step Solution
- Step 1: Write the proportion equation
202,331.70 : 303,619.05 = 83,990.70 : x - Step 2: Convert to fraction form
202,331.70/303,619.05 = 83,990.70/x - Step 3: Cross multiply
202,331.70x = 303,619.05 × 83,990.70 - Step 4: Simplify right side
202,331.70x = 25,501,176,542.84 - Step 5: Solve for x
x = 25,501,176,542.84/202,331.70 - Step 6: Final answer
x = 126,036.49
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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.