Finding the Fourth Proportional to 192,607.82, 288,855.30 and 72,578.17
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Solution
The fourth proportional to 192,607.82, 288,855.30 and 72,578.17 is: 108,845.99
Step by Step Solution
- Step 1: Write the proportion equation
192,607.82 : 288,855.30 = 72,578.17 : x - Step 2: Convert to fraction form
192,607.82/288,855.30 = 72,578.17/x - Step 3: Cross multiply
192,607.82x = 288,855.30 × 72,578.17 - Step 4: Simplify right side
192,607.82x = 20,964,588,346.66 - Step 5: Solve for x
x = 20,964,588,346.66/192,607.82 - Step 6: Final answer
x = 108,845.99
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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.