Finding the Fourth Proportional to 202,371.63, 303,572.18 and 77,712.63
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Solution
The fourth proportional to 202,371.63, 303,572.18 and 77,712.63 is: 116,574.60
Step by Step Solution
- Step 1: Write the proportion equation
202,371.63 : 303,572.18 = 77,712.63 : x - Step 2: Convert to fraction form
202,371.63/303,572.18 = 77,712.63/x - Step 3: Cross multiply
202,371.63x = 303,572.18 × 77,712.63 - Step 4: Simplify right side
202,371.63x = 23,591,392,502.63 - Step 5: Solve for x
x = 23,591,392,502.63/202,371.63 - Step 6: Final answer
x = 116,574.60
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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.