Finding the Fourth Proportional to 448,575.36, 672,748.44 and 132,958.44
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Solution
The fourth proportional to 448,575.36, 672,748.44 and 132,958.44 is: 199,403.69
Step by Step Solution
- Step 1: Write the proportion equation
448,575.36 : 672,748.44 = 132,958.44 : x - Step 2: Convert to fraction form
448,575.36/672,748.44 = 132,958.44/x - Step 3: Cross multiply
448,575.36x = 672,748.44 × 132,958.44 - Step 4: Simplify right side
448,575.36x = 89,447,583,094.83 - Step 5: Solve for x
x = 89,447,583,094.83/448,575.36 - Step 6: Final answer
x = 199,403.69
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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.