Finding the Fourth Proportional to 201,715.30, 302,572.95 and 135,187.30
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Solution
The fourth proportional to 201,715.30, 302,572.95 and 135,187.30 is: 202,780.95
Step by Step Solution
- Step 1: Write the proportion equation
201,715.30 : 302,572.95 = 135,187.30 : x - Step 2: Convert to fraction form
201,715.30/302,572.95 = 135,187.30/x - Step 3: Cross multiply
201,715.30x = 302,572.95 × 135,187.30 - Step 4: Simplify right side
201,715.30x = 40,904,020,163.54 - Step 5: Solve for x
x = 40,904,020,163.54/201,715.30 - Step 6: Final answer
x = 202,780.95
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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.