Finding the Fourth Proportional to 202,262.75, 279,122.72 and 112,838.75
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Solution
The fourth proportional to 202,262.75, 279,122.72 and 112,838.75 is: 155,717.54
Step by Step Solution
- Step 1: Write the proportion equation
202,262.75 : 279,122.72 = 112,838.75 : x - Step 2: Convert to fraction form
202,262.75/279,122.72 = 112,838.75/x - Step 3: Cross multiply
202,262.75x = 279,122.72 × 112,838.75 - Step 4: Simplify right side
202,262.75x = 31,495,858,257.21 - Step 5: Solve for x
x = 31,495,858,257.21/202,262.75 - Step 6: Final answer
x = 155,717.54
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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.