Finding the Fourth Proportional to 201,950.08, 302,961.12 and 67,022.28
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Solution
The fourth proportional to 201,950.08, 302,961.12 and 67,022.28 is: 100,545.37
Step by Step Solution
- Step 1: Write the proportion equation
201,950.08 : 302,961.12 = 67,022.28 : x - Step 2: Convert to fraction form
201,950.08/302,961.12 = 67,022.28/x - Step 3: Cross multiply
201,950.08x = 302,961.12 × 67,022.28 - Step 4: Simplify right side
201,950.08x = 20,305,145,013.75 - Step 5: Solve for x
x = 20,305,145,013.75/201,950.08 - Step 6: Final answer
x = 100,545.37
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1.5x scale
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.