Finding the Fourth Proportional to 194,353.10, 267,997.49 and 121,730.12
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Solution
The fourth proportional to 194,353.10, 267,997.49 and 121,730.12 is: 167,856.17
Step by Step Solution
- Step 1: Write the proportion equation
194,353.10 : 267,997.49 = 121,730.12 : x - Step 2: Convert to fraction form
194,353.10/267,997.49 = 121,730.12/x - Step 3: Cross multiply
194,353.10x = 267,997.49 × 121,730.12 - Step 4: Simplify right side
194,353.10x = 32,623,366,130.24 - Step 5: Solve for x
x = 32,623,366,130.24/194,353.10 - Step 6: Final answer
x = 167,856.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.