Finding the Fourth Proportional to 194,704.40, 292,122.12 and 193,392.20
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Solution
The fourth proportional to 194,704.40, 292,122.12 and 193,392.20 is: 290,153.38
Step by Step Solution
- Step 1: Write the proportion equation
194,704.40 : 292,122.12 = 193,392.20 : x - Step 2: Convert to fraction form
194,704.40/292,122.12 = 193,392.20/x - Step 3: Cross multiply
194,704.40x = 292,122.12 × 193,392.20 - Step 4: Simplify right side
194,704.40x = 56,494,139,455.46 - Step 5: Solve for x
x = 56,494,139,455.46/194,704.40 - Step 6: Final answer
x = 290,153.38
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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.