Finding the Fourth Proportional to 325,415.80, 448,996.44 and 189,367.40
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Solution
The fourth proportional to 325,415.80, 448,996.44 and 189,367.40 is: 261,281.99
Step by Step Solution
- Step 1: Write the proportion equation
325,415.80 : 448,996.44 = 189,367.40 : x - Step 2: Convert to fraction form
325,415.80/448,996.44 = 189,367.40/x - Step 3: Cross multiply
325,415.80x = 448,996.44 × 189,367.40 - Step 4: Simplify right side
325,415.80x = 85,025,288,452.06 - Step 5: Solve for x
x = 85,025,288,452.06/325,415.80 - Step 6: Final answer
x = 261,281.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.