Finding the Fourth Proportional to 259,692.08, 389,499.03 and 82,175.99
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Solution
The fourth proportional to 259,692.08, 389,499.03 and 82,175.99 is: 123,251.61
Step by Step Solution
- Step 1: Write the proportion equation
259,692.08 : 389,499.03 = 82,175.99 : x - Step 2: Convert to fraction form
259,692.08/389,499.03 = 82,175.99/x - Step 3: Cross multiply
259,692.08x = 389,499.03 × 82,175.99 - Step 4: Simplify right side
259,692.08x = 32,007,466,446.79 - Step 5: Solve for x
x = 32,007,466,446.79/259,692.08 - Step 6: Final answer
x = 123,251.61
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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.