Finding the Fourth Proportional to 202,322.40, 303,520.05 and 84,005.70
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Solution
The fourth proportional to 202,322.40, 303,520.05 and 84,005.70 is: 126,023.68
Step by Step Solution
- Step 1: Write the proportion equation
202,322.40 : 303,520.05 = 84,005.70 : x - Step 2: Convert to fraction form
202,322.40/303,520.05 = 84,005.70/x - Step 3: Cross multiply
202,322.40x = 303,520.05 × 84,005.70 - Step 4: Simplify right side
202,322.40x = 25,497,414,264.29 - Step 5: Solve for x
x = 25,497,414,264.29/202,322.40 - Step 6: Final answer
x = 126,023.68
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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.