Finding the Fourth Proportional to 777,211.65, 1,165,859.09 and 244,774.15
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Solution
The fourth proportional to 777,211.65, 1,165,859.09 and 244,774.15 is: 367,174.33
Step by Step Solution
- Step 1: Write the proportion equation
777,211.65 : 1,165,859.09 = 244,774.15 : x - Step 2: Convert to fraction form
777,211.65/1,165,859.09 = 244,774.15/x - Step 3: Cross multiply
777,211.65x = 1,165,859.09 × 244,774.15 - Step 4: Simplify right side
777,211.65x = 285,372,167,774.52 - Step 5: Solve for x
x = 285,372,167,774.52/777,211.65 - Step 6: Final answer
x = 367,174.33
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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.