Finding the Fourth Proportional to 194,748.20, 292,122.30 and 192,123.80
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Solution
The fourth proportional to 194,748.20, 292,122.30 and 192,123.80 is: 288,185.70
Step by Step Solution
- Step 1: Write the proportion equation
194,748.20 : 292,122.30 = 192,123.80 : x - Step 2: Convert to fraction form
194,748.20/292,122.30 = 192,123.80/x - Step 3: Cross multiply
194,748.20x = 292,122.30 × 192,123.80 - Step 4: Simplify right side
194,748.20x = 56,123,646,340.74 - Step 5: Solve for x
x = 56,123,646,340.74/194,748.20 - Step 6: Final answer
x = 288,185.70
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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.