Finding the Fourth Proportional to 266,491.85, 367,759.71 and 145,634.99
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Solution
The fourth proportional to 266,491.85, 367,759.71 and 145,634.99 is: 200,976.81
Step by Step Solution
- Step 1: Write the proportion equation
266,491.85 : 367,759.71 = 145,634.99 : x - Step 2: Convert to fraction form
266,491.85/367,759.71 = 145,634.99/x - Step 3: Cross multiply
266,491.85x = 367,759.71 × 145,634.99 - Step 4: Simplify right side
266,491.85x = 53,558,679,849.45 - Step 5: Solve for x
x = 53,558,679,849.45/266,491.85 - Step 6: Final answer
x = 200,976.81
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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.