Finding the Fourth Proportional to 777,686.19, 1,166,418.30 and 245,137.92
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Solution
The fourth proportional to 777,686.19, 1,166,418.30 and 245,137.92 is: 367,671.90
Step by Step Solution
- Step 1: Write the proportion equation
777,686.19 : 1,166,418.30 = 245,137.92 : x - Step 2: Convert to fraction form
777,686.19/1,166,418.30 = 245,137.92/x - Step 3: Cross multiply
777,686.19x = 1,166,418.30 × 245,137.92 - Step 4: Simplify right side
777,686.19x = 285,933,355,911.94 - Step 5: Solve for x
x = 285,933,355,911.94/777,686.19 - Step 6: Final answer
x = 367,671.90
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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.