Finding the Fourth Proportional to 202,048.40, 303,043.80 and 68,934.80
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Solution
The fourth proportional to 202,048.40, 303,043.80 and 68,934.80 is: 103,392.37
Step by Step Solution
- Step 1: Write the proportion equation
202,048.40 : 303,043.80 = 68,934.80 : x - Step 2: Convert to fraction form
202,048.40/303,043.80 = 68,934.80/x - Step 3: Cross multiply
202,048.40x = 303,043.80 × 68,934.80 - Step 4: Simplify right side
202,048.40x = 20,890,263,744.24 - Step 5: Solve for x
x = 20,890,263,744.24/202,048.40 - Step 6: Final answer
x = 103,392.37
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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.