Finding the Fourth Proportional to 194,757.12, 292,135.68 and 47,013.12
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Solution
The fourth proportional to 194,757.12, 292,135.68 and 47,013.12 is: 70,519.68
Step by Step Solution
- Step 1: Write the proportion equation
194,757.12 : 292,135.68 = 47,013.12 : x - Step 2: Convert to fraction form
194,757.12/292,135.68 = 47,013.12/x - Step 3: Cross multiply
194,757.12x = 292,135.68 × 47,013.12 - Step 4: Simplify right side
194,757.12x = 13,734,209,780.12 - Step 5: Solve for x
x = 13,734,209,780.12/194,757.12 - Step 6: Final answer
x = 70,519.68
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1.5x scale
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.