Finding the Fourth Proportional to 205,163.30, 307,226.55 and 134,660.90
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Solution
The fourth proportional to 205,163.30, 307,226.55 and 134,660.90 is: 201,651.09
Step by Step Solution
- Step 1: Write the proportion equation
205,163.30 : 307,226.55 = 134,660.90 : x - Step 2: Convert to fraction form
205,163.30/307,226.55 = 134,660.90/x - Step 3: Cross multiply
205,163.30x = 307,226.55 × 134,660.90 - Step 4: Simplify right side
205,163.30x = 41,371,403,726.90 - Step 5: Solve for x
x = 41,371,403,726.90/205,163.30 - Step 6: Final answer
x = 201,651.09
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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.