Finding the Fourth Proportional to 777,101.07, 1,165,717.20 and 216,135.57
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Solution
The fourth proportional to 777,101.07, 1,165,717.20 and 216,135.57 is: 324,221.60
Step by Step Solution
- Step 1: Write the proportion equation
777,101.07 : 1,165,717.20 = 216,135.57 : x - Step 2: Convert to fraction form
777,101.07/1,165,717.20 = 216,135.57/x - Step 3: Cross multiply
777,101.07x = 1,165,717.20 × 216,135.57 - Step 4: Simplify right side
777,101.07x = 251,952,951,480.80 - Step 5: Solve for x
x = 251,952,951,480.80/777,101.07 - Step 6: Final answer
x = 324,221.60
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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.