Finding the Fourth Proportional to 73,469.80, 110,204.70 and 50,141.80
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Solution
The fourth proportional to 73,469.80, 110,204.70 and 50,141.80 is: 75,212.70
Step by Step Solution
- Step 1: Write the proportion equation
73,469.80 : 110,204.70 = 50,141.80 : x - Step 2: Convert to fraction form
73,469.80/110,204.70 = 50,141.80/x - Step 3: Cross multiply
73,469.80x = 110,204.70 × 50,141.80 - Step 4: Simplify right side
73,469.80x = 5,525,862,026.46 - Step 5: Solve for x
x = 5,525,862,026.46/73,469.80 - Step 6: Final answer
x = 75,212.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.