Finding the Fourth Proportional to 202,753.09, 279,787.24 and 112,101.94
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Solution
The fourth proportional to 202,753.09, 279,787.24 and 112,101.94 is: 154,694.03
Step by Step Solution
- Step 1: Write the proportion equation
202,753.09 : 279,787.24 = 112,101.94 : x - Step 2: Convert to fraction form
202,753.09/279,787.24 = 112,101.94/x - Step 3: Cross multiply
202,753.09x = 279,787.24 × 112,101.94 - Step 4: Simplify right side
202,753.09x = 31,364,692,391.25 - Step 5: Solve for x
x = 31,364,692,391.25/202,753.09 - Step 6: Final answer
x = 154,694.03
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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.