Finding the Fourth Proportional to 266,217.36, 367,382.16 and 145,355.64
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Solution
The fourth proportional to 266,217.36, 367,382.16 and 145,355.64 is: 200,591.99
Step by Step Solution
- Step 1: Write the proportion equation
266,217.36 : 367,382.16 = 145,355.64 : x - Step 2: Convert to fraction form
266,217.36/367,382.16 = 145,355.64/x - Step 3: Cross multiply
266,217.36x = 367,382.16 × 145,355.64 - Step 4: Simplify right side
266,217.36x = 53,401,068,991.38 - Step 5: Solve for x
x = 53,401,068,991.38/266,217.36 - Step 6: Final answer
x = 200,591.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.