Finding the Fourth Proportional to 415,442.27, 623,163.36 and 237,824.12
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Solution
The fourth proportional to 415,442.27, 623,163.36 and 237,824.12 is: 356,736.15
Step by Step Solution
- Step 1: Write the proportion equation
415,442.27 : 623,163.36 = 237,824.12 : x - Step 2: Convert to fraction form
415,442.27/623,163.36 = 237,824.12/x - Step 3: Cross multiply
415,442.27x = 623,163.36 × 237,824.12 - Step 4: Simplify right side
415,442.27x = 148,203,277,708.24 - Step 5: Solve for x
x = 148,203,277,708.24/415,442.27 - Step 6: Final answer
x = 356,736.15
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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.