Finding the Fourth Proportional to 777,207.24, 1,165,804.36 and 216,240.12
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Solution
The fourth proportional to 777,207.24, 1,165,804.36 and 216,240.12 is: 324,358.37
Step by Step Solution
- Step 1: Write the proportion equation
777,207.24 : 1,165,804.36 = 216,240.12 : x - Step 2: Convert to fraction form
777,207.24/1,165,804.36 = 216,240.12/x - Step 3: Cross multiply
777,207.24x = 1,165,804.36 × 216,240.12 - Step 4: Simplify right side
777,207.24x = 252,093,674,702.92 - Step 5: Solve for x
x = 252,093,674,702.92/777,207.24 - Step 6: Final answer
x = 324,358.37
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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.