Finding the Fourth Proportional to 448,789.82, 672,712.15 and 149,189.99
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Solution
The fourth proportional to 448,789.82, 672,712.15 and 149,189.99 is: 223,627.88
Step by Step Solution
- Step 1: Write the proportion equation
448,789.82 : 672,712.15 = 149,189.99 : x - Step 2: Convert to fraction form
448,789.82/672,712.15 = 149,189.99/x - Step 3: Cross multiply
448,789.82x = 672,712.15 × 149,189.99 - Step 4: Simplify right side
448,789.82x = 100,361,915,194.84 - Step 5: Solve for x
x = 100,361,915,194.84/448,789.82 - Step 6: Final answer
x = 223,627.88
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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.