Finding the Fourth Proportional to 202,132.40, 303,235.05 and 83,815.70
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Solution
The fourth proportional to 202,132.40, 303,235.05 and 83,815.70 is: 125,738.66
Step by Step Solution
- Step 1: Write the proportion equation
202,132.40 : 303,235.05 = 83,815.70 : x - Step 2: Convert to fraction form
202,132.40/303,235.05 = 83,815.70/x - Step 3: Cross multiply
202,132.40x = 303,235.05 × 83,815.70 - Step 4: Simplify right side
202,132.40x = 25,415,857,980.29 - Step 5: Solve for x
x = 25,415,857,980.29/202,132.40 - Step 6: Final answer
x = 125,738.66
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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.