Finding the Fourth Proportional to 202,893.12, 279,974.88 and 112,247.64
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Solution
The fourth proportional to 202,893.12, 279,974.88 and 112,247.64 is: 154,891.99
Step by Step Solution
- Step 1: Write the proportion equation
202,893.12 : 279,974.88 = 112,247.64 : x - Step 2: Convert to fraction form
202,893.12/279,974.88 = 112,247.64/x - Step 3: Cross multiply
202,893.12x = 279,974.88 × 112,247.64 - Step 4: Simplify right side
202,893.12x = 31,426,519,539.28 - Step 5: Solve for x
x = 31,426,519,539.28/202,893.12 - Step 6: Final answer
x = 154,891.99
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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.