Finding the Fourth Proportional to 104,725.64, 155,903.92 and 104,102.84
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Solution
The fourth proportional to 104,725.64, 155,903.92 and 104,102.84 is: 154,976.76
Step by Step Solution
- Step 1: Write the proportion equation
104,725.64 : 155,903.92 = 104,102.84 : x - Step 2: Convert to fraction form
104,725.64/155,903.92 = 104,102.84/x - Step 3: Cross multiply
104,725.64x = 155,903.92 × 104,102.84 - Step 4: Simplify right side
104,725.64x = 16,230,040,839.13 - Step 5: Solve for x
x = 16,230,040,839.13/104,725.64 - Step 6: Final answer
x = 154,976.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.