Finding the Fourth Proportional to 415,245.12, 622,371.36 and 237,873.60
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Solution
The fourth proportional to 415,245.12, 622,371.36 and 237,873.60 is: 356,526.08
Step by Step Solution
- Step 1: Write the proportion equation
415,245.12 : 622,371.36 = 237,873.60 : x - Step 2: Convert to fraction form
415,245.12/622,371.36 = 237,873.60/x - Step 3: Cross multiply
415,245.12x = 622,371.36 × 237,873.60 - Step 4: Simplify right side
415,245.12x = 148,045,715,940.10 - Step 5: Solve for x
x = 148,045,715,940.10/415,245.12 - Step 6: Final answer
x = 356,526.08
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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.