Finding the Fourth Proportional to 230,029.70, 345,075.99 and 80,247.54
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Solution
The fourth proportional to 230,029.70, 345,075.99 and 80,247.54 is: 120,382.28
Step by Step Solution
- Step 1: Write the proportion equation
230,029.70 : 345,075.99 = 80,247.54 : x - Step 2: Convert to fraction form
230,029.70/345,075.99 = 80,247.54/x - Step 3: Cross multiply
230,029.70x = 345,075.99 × 80,247.54 - Step 4: Simplify right side
230,029.70x = 27,691,498,814.01 - Step 5: Solve for x
x = 27,691,498,814.01/230,029.70 - Step 6: Final answer
x = 120,382.28
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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.