Finding the Fourth Proportional to 201,716.80, 302,465.85 and 68,543.08
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Solution
The fourth proportional to 201,716.80, 302,465.85 and 68,543.08 is: 102,777.46
Step by Step Solution
- Step 1: Write the proportion equation
201,716.80 : 302,465.85 = 68,543.08 : x - Step 2: Convert to fraction form
201,716.80/302,465.85 = 68,543.08/x - Step 3: Cross multiply
201,716.80x = 302,465.85 × 68,543.08 - Step 4: Simplify right side
201,716.80x = 20,731,940,953.82 - Step 5: Solve for x
x = 20,731,940,953.82/201,716.80 - Step 6: Final answer
x = 102,777.46
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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.