Finding the Fourth Proportional to 226,687.20, 340,043.60 and 68,920.80
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Solution
The fourth proportional to 226,687.20, 340,043.60 and 68,920.80 is: 103,385.09
Step by Step Solution
- Step 1: Write the proportion equation
226,687.20 : 340,043.60 = 68,920.80 : x - Step 2: Convert to fraction form
226,687.20/340,043.60 = 68,920.80/x - Step 3: Cross multiply
226,687.20x = 340,043.60 × 68,920.80 - Step 4: Simplify right side
226,687.20x = 23,436,076,946.88 - Step 5: Solve for x
x = 23,436,076,946.88/226,687.20 - Step 6: Final answer
x = 103,385.09
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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.