Finding the Fourth Proportional to 202,639.94, 279,677.84 and 117,806.21
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Solution
The fourth proportional to 202,639.94, 279,677.84 and 117,806.21 is: 162,592.75
Step by Step Solution
- Step 1: Write the proportion equation
202,639.94 : 279,677.84 = 117,806.21 : x - Step 2: Convert to fraction form
202,639.94/279,677.84 = 117,806.21/x - Step 3: Cross multiply
202,639.94x = 279,677.84 × 117,806.21 - Step 4: Simplify right side
202,639.94x = 32,947,784,363.97 - Step 5: Solve for x
x = 32,947,784,363.97/202,639.94 - Step 6: Final answer
x = 162,592.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.