Finding the Fourth Proportional to 397,252.98, 548,259.57 and 225,198.96
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Solution
The fourth proportional to 397,252.98, 548,259.57 and 225,198.96 is: 310,803.17
Step by Step Solution
- Step 1: Write the proportion equation
397,252.98 : 548,259.57 = 225,198.96 : x - Step 2: Convert to fraction form
397,252.98/548,259.57 = 225,198.96/x - Step 3: Cross multiply
397,252.98x = 548,259.57 × 225,198.96 - Step 4: Simplify right side
397,252.98x = 123,467,484,974.05 - Step 5: Solve for x
x = 123,467,484,974.05/397,252.98 - Step 6: Final answer
x = 310,803.17
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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.