Finding the Fourth Proportional to 493,163.70, 739,198.80 and 193,544.70
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Solution
The fourth proportional to 493,163.70, 739,198.80 and 193,544.70 is: 290,102.48
Step by Step Solution
- Step 1: Write the proportion equation
493,163.70 : 739,198.80 = 193,544.70 : x - Step 2: Convert to fraction form
493,163.70/739,198.80 = 193,544.70/x - Step 3: Cross multiply
493,163.70x = 739,198.80 × 193,544.70 - Step 4: Simplify right side
493,163.70x = 143,068,009,986.36 - Step 5: Solve for x
x = 143,068,009,986.36/493,163.70 - Step 6: Final answer
x = 290,102.48
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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.