Finding the Fourth Proportional to 197,144.18, 271,775.70 and 140,457.14
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Solution
The fourth proportional to 197,144.18, 271,775.70 and 140,457.14 is: 193,629.03
Step by Step Solution
- Step 1: Write the proportion equation
197,144.18 : 271,775.70 = 140,457.14 : x - Step 2: Convert to fraction form
197,144.18/271,775.70 = 140,457.14/x - Step 3: Cross multiply
197,144.18x = 271,775.70 × 140,457.14 - Step 4: Simplify right side
197,144.18x = 38,172,836,184.62 - Step 5: Solve for x
x = 38,172,836,184.62/197,144.18 - Step 6: Final answer
x = 193,629.03
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1.5x scale
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.