Finding the Fourth Proportional to 491,442.47, 737,163.09 and 154,512.54
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Solution
The fourth proportional to 491,442.47, 737,163.09 and 154,512.54 is: 231,768.62
Step by Step Solution
- Step 1: Write the proportion equation
491,442.47 : 737,163.09 = 154,512.54 : x - Step 2: Convert to fraction form
491,442.47/737,163.09 = 154,512.54/x - Step 3: Cross multiply
491,442.47x = 737,163.09 × 154,512.54 - Step 4: Simplify right side
491,442.47x = 113,900,941,430.15 - Step 5: Solve for x
x = 113,900,941,430.15/491,442.47 - Step 6: Final answer
x = 231,768.62
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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.